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Endura Flap Thermo Panel 3e

Endura Flap Thermo Panel 3e

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$519.99
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$519.99
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White
Bronze (Black)
Brushed Aluminum

  • Durable, Aluminum frame pet door made to withstand extreme climates
  • Removable panel with built-in dog door fits into sliding glass door track
  • Made with Low-E glass to improve energy efficiency and reduce infrared & ultraviolet light
  • Easy to install and doesn't require semi-permanent installation
  • Need a different size? Check out this product's custom option

Product Details


The Endura Flap Thermo Panel 3e is a highly insulated dog door for sliding glass doors that fits into your existing door track. This removable panel has an easy installation, as the spring-loaded design safely secures the panel in place without making any permanent alterations. It's great for renters and vacation homes. Engineered with Low-E glass, 3/16" thick and a polyolefin polymer flap that magnetically seals, the Thermo Panel 3e provides supreme insulation and energy efficiency. Withstanding extreme temperatures as low as -40 degrees Fahrenheit, the thermal quality of the Endura Flap Patio Panel is designed to prevent heating and cooling loss, which is common among other patio panels. The built-in doggie door will grant your pets the freedom they crave while saving you on energy bills.

Can't find the right size? Check out our custom sizing options. For a dual-pane option, see the Endura Thermo Panel 3e with Dual Pane Glass or the Endura Custom Thermo Panel with Dual-Pane Glass

Features:

  • Pet flaps range from Small to Extra Large
  • Patio Panel comes in three height ranges to accommodate common sliding glass door sizes
  • Heavy-duty aluminum frame designed for sliding glass door tracks at least 1” thick
  • Low-E glass minimizes the amount of infrared & ultraviolet light coming through the glass without minimizing the amount of light entering the room
  • Environmentally-friendly polyolefin polymer flap remains flexible and usable in temperatures as low as -40 degrees Fahrenheit
  • Magnetic closure on three sides of the flap enhance storm and wind resistance.
  • Durable and secure locking cover included
  • C-Clamp Lock included for to lock the slider into the door frame or a Charley Bar (such as one from Wedgit pet products) can be purchased separately
  • Designed and engineered in the USA

 

Benefits:

  • Easy installation with spring-loaded design allows you to remove the panel easily if need be. Great for rental or vacation homes
  • Avoid having to cut holes in an exterior wall or through the sliding glass door
  • The Thermo Panel comes in white (high-gloss), black (dark metallic tone) and brushed aluminum to match the interior design of your sliding glass door
  • Sturdy locking cover allows you to keep your pet inside/outside when need be, especially good for at night or if you want to keep the dog outside during the day when you are at work
  • Gives dogs and cats the freedom to come and go when you are not home
  • Structurally sound design is built to last so you don't have to spend a fortune on replacement flaps

Size Chart

Flap Dimensions:

6"w x 11"h

The entry way your dog goes through.

Overall Panel Width

10 3/16"

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 5”

The distance from the bottom of the panel to the bottom of your flap.

Flap Dimensions:

8"w x 15"h

The entry way your dog goes through.

Overall Panel Width

12 1/4"

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 5”

The distance from the bottom of the panel to the bottom of your flap.

Flap Dimensions:

10"w x 19"h

The entry way your dog goes through.

Overall Panel Width

14 1/4"

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 7”

The distance from the bottom of the panel to the bottom of your flap.

Flap Dimensions:

12"w x 23"h

The entry way your dog goes through.

Overall Panel Width

16 5/16”

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 7”

The distance from the bottom of the panel to the bottom of your flap.
Flap SizeFlap DimensionStep Over RangeOverall Panel WidthRecommended Pet Height
Small6" w x 11" h3" - 5"10-3/16"9" - 15"
Medium8" w x 15" h3" - 5"12-1/4"9" - 21"
Large10" w x 19" h3" - 7" (ships at 5")14-1/4"9" - 27"
Extra Large12" w x 23" h3" - 7" (ships at 5")16-5/16"9" - 34"

Don't know which pet door size to get? Here is measurement guide to help you out.

Track Height Adjustment range is based on the measurement of your sliding door track height from the lowest point of your track to the highest point. Each Endura Flap Thermo Panel 3e has a 3" adjustment range. Review our Track Measuring Guide video for additional, detailed information The following adjustment ranges are available:

  • Short: 74 3⁄4" – 77 3⁄4"
  • Regular: 77 1⁄4" – 80 1⁄4"
  • Tall: 93 1⁄4" – 96 1⁄4" (additional cost)

If your measured track height does not fall within one of the ranges above, we can make a custom height! Custom height option may take up to 4 weeks to special order the glass and build the panel.

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Additional Information

Weight

30 lbs

Track Width Minimum

1"

Flap Thickness

7/8"

Warranty Period

Lifetime

Locking Cover Material

Heavy-Duty Molded ABS

Climate Suitability

Severe 4-Season

House Locking Method

C-Clamp Lock

Ability to Lock Flap

Yes

Insulation Value

Very High

Installation Instructions

Installation icon Difficulty Easy
Installation icon Steps 06
Installation icon Time Required 0.5 hours
Installation icon Sections 02
Installation icon Flags 02

Parts

  • Panel Pet Door
  • Foam Weather Strip
  • Center Post Weather Seal Draft Stopper
  • Sliding Door C-Clamp Lock
  • Screwdriver

Tools

  • None

Please read instructions & notes thoroughly before installation.

One-Piece Panel

Step 1: Step Over Adjust the Step Over (Optional)

  • The Endura aluminum sliding door panel has a patented Adjustable Step-Over feature which allows you to adjust the height of the flap to the most comfortable fit for your pet.
  • The top of the flap should be positioned to be at least 1” above the top of the pet’s shoulder.
  • If the factory setting is not suitable, please adjust it before proceeding. If the current setting is suitable, proceed to the “Installation Instructions” section.

Step 2 Adjust the Screws

  • Lay the entire panel on a flat surface.
  • Using a #2 Philips head screwdriver, remove the bottom side-screws and loosen the upper side-screws. Screws were tightly installed to hold the panel together during shipping; a power tool* is recommended.
  • If you do not have a Phillips head drill bit skinny enough to fit, let us know and we’ll send you one for free.

Step 3 Adjust the Spacers

  • Once the bottom screws have been removed and the upper side-screws loosened, the Pet Door Assembly and spacers can be removed by sliding the sections down and out of the panel.

Step 4 Replace the Spacers

  • Replace the spacers and the Pet Door Assembly by sliding them back in a different order to achieve the desired height. You can move the spacer below and above the flap to raise or lower the flap height.
  • The order of the pieces is important! The piece on the bottom needs to always be at the bottom, as that is where the screws attach.
  • Make sure that the locking cover side of the flap frame is on the same side as the height adjustment locks.

Step 5 Tighten the Screws

  • When finished, replace the bottom side-screws and tighten the next upper-side screws.
  • A lower step-over height is easier for pets to navigate. However, if the top of the flap is low enough that the pet needs to crouch to get through their pet door, they can injure themselves and possibly cause the pet door to malfunction. If your pet door does not sit at a comfortable height for your pet, you may need a larger flap size.

Step 1: Install the Panel Spring Mechanism

  • Loosen the height adjustment locks at the top of the pet panel with the screwdriver. This allows the spring mechanism to move freely up and down.

Step 2 Test Fit the Panel in Your Track

  • You want to put the pet door in your track before applying any weather stripping to ensure it fits. If the panel fits well, proceed to the next step. See the FAQs if you have trouble.
  • To insert the panel into the top track, push up against the spring mechanism and swing the bottom of the panel up and over the threshold.
  • Seat the panel on top of the small guide rail in the track.
  • If you can’t quite get it in the track, try swinging in from the outside as the outside track wall may be shorter.

Step 3 Apply the Weatherstripping

  • Once you’re sure the panel fits, remove it from the frame and lay it on its side on the ground.
  • Apply the foam weather-stripping by peeling back the paper and exposing the adhesive.
  • Unroll it along the edge of the panel, pressing to ensure it adheres. Install on both sides, trim it fit with scissors.

Step 4 Install the Draft Stopper

  • The center post weather seal strip (draft stopper) should be installed on the inside of the home.
  • It can install on either the back edge of the sliding door panel or the leading edge of the stationary panel.
  • This strip prevents air from leaking between the sliding glass door and the stationary panel.
  • Trim with scissors as needed. Clean the edge of your patio door with rubbing alcohol before installing to assure a good seal.
  • Repeat step two to install the panel in your track.
Installation icon Difficulty Easy
Installation icon Steps 06
Installation icon Time Required 0.5 hours
Installation icon Sections 03
Installation icon Flags 02

Parts

  • Top Glass Panel Section
  • Bottom Flap Section
  • Foam Weather Strip
  • Center Post Weather Seal Draft Stopper
  • 4 Flathead Screws
  • Flathead Screwdriver
  • Screwdriver for Adjustment Locks
  • Sliding Door C-Clamp Lock

Tools

  • None

Please read instructions & notes thoroughly before installation.

Two-Piece Panel

Step 1: Step Over Adjust Step Over Height (Optional)

  • The Endura aluminum sliding door panel has a patented Adjustable Step-Over feature which allows you to adjust the height of the flap to the most comfortable fit for your pet.
  • The top of the flap should be positioned to be at least 1” above the top of the pet’s shoulder.
  • If the factory setting is not suitable, please adjust it before proceeding. If the current setting is suitable, proceed to the “Installation Instructions” section.

Step 2 Rearrange the Pieces

  • Simply slide the pieces up and out from the bottom half of your panel to rearrange.
  • Loosen a bottom screw if the pieces are too snug to move.

Step 3 Reconnect the Pieces

  • Replace the spacers and the Pet Door Assembly by sliding them back in a different order to achieve the desired height.
  • You can move the spacer below or above the flap to raise or lower the flap height.

Step 4 Screw the Pieces Together

  • The order of the pieces is important! The piece on the bottom needs to always be at the bottom, as that is where the screws attach. You can now assemble the patio panel!

Step 1: Connect the Sections Align the Connectors

  • Align the aluminum connectors extending from the bottom flap panel section with the top glass panel section.
  • Press the aluminum connectors into the holes at the bottom of the top glass panel section.
  • Ensure locking cover & height adjustment locks are on the same side!

Step 2 Tap the Pieces Together

  • Gently tap the bottom surface of the panel against the ground to completely insert the connectors.
  • Protect hard surfaces to prevent scratching.
  • The components of the panel are designed to slide together very tightly.

Step 3 Secure the Sections

  • Fasten the two panels together using the four flathead screws and countersunk washers found in the panel packaging.
  • Use the included flathead screwdriver to tighten flathead screws and countersunk washers so the two halves of the door are pulled together.

Step 1: Install the Panel Adjust Spring Mechanism

  • Loosen the height adjustment locks at the top of the pet panel. This allows the spring mechanism to move freely up and down.

Step 2 Test Fit the Panel in Your Track

  • You want to put the pet door in your track before applying any weather stripping to ensure it fits. If the panel fits well, proceed to the next step. See the FAQs if you have trouble.
  • To insert the panel into the top track, push up against the spring mechanism and swing the bottom of the panel up and over the threshold.
  • Seat the panel on top of the small guide rail in the track.
  • If you can’t quite get it in the track, try swinging in from the outside as the outside track wall may be shorter.

Step 3 Apply the Weatherstripping

  • Once you’re sure the panel fits, remove it from the frame and lay it on its side on the ground.
  • Apply the foam weather-stripping by peeling back the paper and exposing the adhesive.
  • Unroll it along the edge of the panel, pressing to ensure it adheres. Install on both sides, trim it fit with scissors.
  • Repeat step two to install the panel in your track.

Step 4 Install the Draft Stopper

  • The center post weather seal strip (draft stopper) should be installed on the inside of the home.
  • It can install on either the back edge of the sliding door panel or the leading edge of the stationary panel.
  • This strip prevents air from leaking between the sliding glass door and the stationary panel.
  • Trim with scissors as needed. Clean the edge of your patio door with rubbing alcohol before installing to assure a good seal.

Adjusting Stepover Height

Lock Details

a lock can secure your slider in place

Since you cannot lock your sliding door to your panel pet door, we have provided you with alternative locking methods to secure your home:

Installing the sliding door clamp: This clamp has a screw that tightens by hand to prevent the sliding door from moving beyond the clamp’s placement. For doors manufactured with the glass slider on the inside track, the lock can usually be installed on the door’s raised track.

If you aren’t able to use the lock that comes with the panel: A great alternative to locking your sliding glass door is a Charley bar or dowel in the track. Both work off the same concept – they block the slider from opening. When engaged you cannot pull the sliding door away from the pet door panel.


use a charley bar or dowel in the slider track to secure your door

Other Installation Options

Semi-Permanent Installation:

You might choose to secure the panel in your track with screws. This can be done by drilling screws at an angle in the top and bottom tracks. We recommend doing this from the outside to minimize damage to the sliding glass door frame. One-way screws will prevent tampering or removal of the panel from the outside.

you can screw your panel into your slider for a more permanent installation

Stationary Panel:

Some stationary sliding door panels can be unfastened and moved over to one side so that you can install the pet door panel between the jamb and stationary panel.

Avoid damaging your sliding glass door by checking that your door can move and that you can reinstall it properly before trying to uninstall the unit.

You will still lose space in your slider to move through, however, you will be able to use your existing sliding door lock to secure your home. Installing your pet door this way is also great in that you already have an alarm system in place.

If your sliding glass door slides on the outside track, using an alternative lock might not be possible, so this allows you to still lock your door.

NOTE: You can do the stationary panel install with the regular spring actuator method – no need to screw it in.

Videos

ENDURA FLAP® PET DOORS: Endura Dog Door Impact Test





ENDURA FLAP® PET DOORS: Thermo Panel 3e





How to Measure Your Sliding Glass Door for a Pet Door





How to Adjust the Magnet Strength on Your Endura Flap



How to Adjust Your Stepover


FAQ

What is the thickness of the panel?

The Patio Pacific Endura Flap Thermo Panel 3e is 1" thick. It is only thick enough for a single flap, not a double flap.

Does this panel work with vinyl sliders?

Yes, the Endura Flap 3e is compatible with most vinyl sliding patio doors for a vinyl-pet slider that matches your existing track. At 1" thick, it is thicker than most aluminum panels, so it will fit better in a vinyl track. The track width may not line up exactly with the panel, but it is only an issue with the aesthetics, not functionality.

What do I do if this does not come in size that will fit my door?

If none of these sizes will fit your door, you can order a custom fit Endura Flap Thermo Panel 3e.

Does this keep mice, rats, and other pests out?

This is a manual door, so there is no guarantee that critters will not get in. However, the Endura Flap has incredibly strong magnets that are hard for small critters to push through and get in. Many of our electronic and microchip pet doors have locks that keep out intruder critters and are racoon-proof.

How do I measure my door to get the correct height adjustment size?

Measure from the innermost part of the bottom track to the innermost top part of the track. If there is a pencil railing, include that in the measurement because the panel straddles the railing.

What do the Step-Over Range dimensions mean?

The step-over is the part of the panel under the actual door opening. Depending on the flap size purchased, the step-over can range from 3"-7". This means that you can adjust it to any step-over within that range. So if you have a puppy, you can keep adjusting it as they grow.

Will there be enough room for me to get through after the panel is installed?

That depends on how wide your sliding glass door opens and how wide the panel you purchase is. Those dimensions can be found under the "Overall Panel Width" column.

Can an intruder remove the Endura Flap dog door for slider from the outside?

No, the thumb screws are on the inside of the panel, so once installed, the Endura Flap Panel cannot be lifted out and removed without first loosening the thumbscrews from inside the home.

What locking mechanism can I use for the Thermo Panel 3e?

This door comes with a secure clamp lock. Alternatively, the Endura dog and cat door for sliding glass door can be secured with a Charley Bar for added security.

Does the Endura Flap dog door sliding door come with locking covers for security?

Yes, these dog doors come with locking covers to ensure safety for your pet and home. Endura Flaps have locking covers that slide over them on the side facing inside your home and are made of sturdy, heavy-duty ABS plastic. Unfortunately, they cannot be used on the outside of Endura Flap Panels as an alternative.

Do the Endura Flap panels require tools for installation?

Endura Flap sliding glass dog doors under 80 ¼" do not require tools, making them one of the best dog doors for rental homes! However, everything above this height generally will require some tools for installation. What we call a sectional panel will be shipped in two pieces because it is so tall. Breaking the pet door for sliding door down saves the customers on shipping costs, because we are able to ship in a smaller package. The sectionals will need to be assembled with 4 hex screws and a hex wrench, all of which are provided.

Is this door good in a cold winter climate? I want something effective in our winter months. 

Yes, the Endura Flap has been tested in -4°F.

Will this take up too much space in my slider?

The panel will take up some space, and some pet owners have said that they have trouble squeezing by it. An alternative option is the Pet Door Guys pet doors.

My sliding door track has a triangular guide rail. Will this pet door still work?

Some sliding glass door tracks have a triangle-shaped guide rail instead of a cylindrical pencil rail running along the middle. This pet door panel has an arch along the bottom that is designed to sit on top of a cylindrical pencil rail. Pencil rails are shorter in height than triangular guide rails, which means that the pet door panel would wobble on top of it rather than sitting flush with the rest of the track. To accommodate the pet door panel you will need to build up the sides of the triangular guide rail so that the tip is less than ¼” tall. Please reach out to customer service if you have any questions about this process.

Will this panel work if my sliding glass door has a buried track?

Some sliding glass doors have buried tracks. Since this panel has an arch along the bottom that is designed to sit on top of a pencil rail, it will not be secure in a slider with a buried track without modifications. We recommend securing the panel to the track wall with L brackets or toenailing it to the track wall. Toenailing is the process of fastening the panel to the track by driving a nail at roughly a 45-degree angle into the panel and through the track wall. Please note that these modifications result in a semi-permanent installation. If you needed to remove the panel in the future you would first have to remove the L brackets or nails. Additionally, please note that this process would leave holes in the pet door panel and it would no longer be returnable. Please reach out to customer service to further discuss your options for a buried track.

I have a hurricane patio door. Will this pet door work for me?

Hurricane door track styles vary widely, so they are case-by-case. Please reach out to customer service to discuss your pet door options for your sliding door.

Will this pet door work with Anderson and Pella sliding doors?

Anderson and Pella sliding glass doors have an inner track wall but no outer track wall. Additionally, the pencil rail is on the outer edge of the track rather than in the middle. Since this pet door panel is designed to sit between two track walls and on top of a centered pencil rail, it cannot be installed in Anderson or Pella doors without modifications. We recommend building out your track and using L brackets or toenailing to secure the bottom of the panel to the inner track wall. Building out the track means adding a piece of wood or vinyl that is the same height as the pencil rail to the space next to the pencil rail. This creates a flat surface for the pet door panel to sit on. Next, you will need to secure the panel to the track wall. To do this, you can use L brackets or you can toenail the panel into the track wall. Toenailing is the process of fastening the panel to the track by driving a nail at roughly a 45-degree angle into the panel and through the track wall. Please note that these modifications result in a semi-permanent installation. If you needed to remove the panel in the future you would first have to remove the L brackets or nails. Additionally, please note that this process would leave holes in the pet door panel and it would no longer be returnable. Please reach out to customer service to further discuss this process or different options for an Anderson or Pella sliding door.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Endura Flap products have a lifetime warranty against defects in materials and workmanship under standard regular use. Damage caused by not using the product as intended, improper installation, and chewing is not covered under this warranty.



Customer Reviews

Customer Reviews
4.7 Based on 290 Reviews
5 ★
75% 
217
4 ★
20% 
57
3 ★
4% 
12
2 ★
1% 
2
1 ★
0% 
2
Customer Photos
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Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
IP
09/11/2022
Indira P.
United States

I wish there was a training door.

This door is great quality and will be a major upgrade from the old janky one come winter but dang my dogs act like the flap is a cement fortress they can't get through. For now, it's propped up with the cover door because even taking out the magnets hasn't helped. We'll get there, eventually.

HT
09/09/2022
Heidi t.
United States United States

Dogs love their new Door!!

We are enjoying the ease of the new door. The go in and out at will. It’s Perfect!!!

TO
08/04/2022
Thomas O.
United States United States

Pet door should come with training for your dog

Install was super easy. Now we have to get our three dogs to use it the lab has been pretty good. The dachshund is a little tuff and the coonhound is fighting it all the way. I’m up for suggestions.

BS
07/19/2022
Barry S.
United States United States

Easy Installation

Excellent so far - the dogs are learning how to use it

DM
07/08/2022
Diane M.
United States United States

Excellent Quality

The door itself is excellent quality and feels solid and sturdy. The weather stripping that came with it is excellent quality and thick, compared to competitors. The flap seals very well on all sides due to the magnets. The best part is that you can adjust the strength of the magnets by removing them. My puppy couldn't quite push the door open so I removed a magnet until she was big enough to use the door with the magnets full strength. I would definitely recommend this product.

Endura Flap Thermo Panel 3e

White / Small / 74.75" - 77.75" Edit

Endura Flap Thermo Panel 3e

Size Chart

Flap Dimensions:

6"w x 11"h

The entry way your dog goes through.

Overall Panel Width

10 3/16"

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 5”

The distance from the bottom of the panel to the bottom of your flap.

Flap Dimensions:

8"w x 15"h

The entry way your dog goes through.

Overall Panel Width

12 1/4"

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 5”

The distance from the bottom of the panel to the bottom of your flap.

Flap Dimensions:

10"w x 19"h

The entry way your dog goes through.

Overall Panel Width

14 1/4"

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 7”

The distance from the bottom of the panel to the bottom of your flap.

Flap Dimensions:

12"w x 23"h

The entry way your dog goes through.

Overall Panel Width

16 5/16”

How wide your panel is.
flap dimensions
epanel width
step over height

Step-Over Height

3” - 7”

The distance from the bottom of the panel to the bottom of your flap.
Flap SizeFlap DimensionStep Over RangeOverall Panel WidthRecommended Pet Height
Small6" w x 11" h3" - 5"10-3/16"9" - 15"
Medium8" w x 15" h3" - 5"12-1/4"9" - 21"
Large10" w x 19" h3" - 7" (ships at 5")14-1/4"9" - 27"
Extra Large12" w x 23" h3" - 7" (ships at 5")16-5/16"9" - 34"

Don't know which pet door size to get? Here is measurement guide to help you out.

Track Height Adjustment range is based on the measurement of your sliding door track height from the lowest point of your track to the highest point. Each Endura Flap Thermo Panel 3e has a 3" adjustment range. Review our Track Measuring Guide video for additional, detailed information The following adjustment ranges are available:

  • Short: 74 3⁄4" – 77 3⁄4"
  • Regular: 77 1⁄4" – 80 1⁄4"
  • Tall: 93 1⁄4" – 96 1⁄4" (additional cost)

If your measured track height does not fall within one of the ranges above, we can make a custom height! Custom height option may take up to 4 weeks to special order the glass and build the panel.

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Weight

30 lbs

Track Width Minimum

1"

Flap Thickness

7/8"

Warranty Period

Lifetime

Locking Cover Material

Heavy-Duty Molded ABS

Climate Suitability

Severe 4-Season

House Locking Method

C-Clamp Lock

Ability to Lock Flap

Yes

Insulation Value

Very High

Installation Instructions

Installation icon Difficulty Easy
Installation icon Steps 06
Installation icon Time Required 0.5 hours
Installation icon Sections 02
Installation icon Flags 02

Parts

  • Panel Pet Door
  • Foam Weather Strip
  • Center Post Weather Seal Draft Stopper
  • Sliding Door C-Clamp Lock
  • Screwdriver

Tools

  • None

Please read instructions & notes thoroughly before installation.

One-Piece Panel

Step 1: Step Over Adjust the Step Over (Optional)

  • The Endura aluminum sliding door panel has a patented Adjustable Step-Over feature which allows you to adjust the height of the flap to the most comfortable fit for your pet.
  • The top of the flap should be positioned to be at least 1” above the top of the pet’s shoulder.
  • If the factory setting is not suitable, please adjust it before proceeding. If the current setting is suitable, proceed to the “Installation Instructions” section.

Step 2 Adjust the Screws

  • Lay the entire panel on a flat surface.
  • Using a #2 Philips head screwdriver, remove the bottom side-screws and loosen the upper side-screws. Screws were tightly installed to hold the panel together during shipping; a power tool* is recommended.
  • If you do not have a Phillips head drill bit skinny enough to fit, let us know and we’ll send you one for free.

Step 3 Adjust the Spacers

  • Once the bottom screws have been removed and the upper side-screws loosened, the Pet Door Assembly and spacers can be removed by sliding the sections down and out of the panel.

Step 4 Replace the Spacers

  • Replace the spacers and the Pet Door Assembly by sliding them back in a different order to achieve the desired height. You can move the spacer below and above the flap to raise or lower the flap height.
  • The order of the pieces is important! The piece on the bottom needs to always be at the bottom, as that is where the screws attach.
  • Make sure that the locking cover side of the flap frame is on the same side as the height adjustment locks.

Step 5 Tighten the Screws

  • When finished, replace the bottom side-screws and tighten the next upper-side screws.
  • A lower step-over height is easier for pets to navigate. However, if the top of the flap is low enough that the pet needs to crouch to get through their pet door, they can injure themselves and possibly cause the pet door to malfunction. If your pet door does not sit at a comfortable height for your pet, you may need a larger flap size.

Step 1: Install the Panel Spring Mechanism

  • Loosen the height adjustment locks at the top of the pet panel with the screwdriver. This allows the spring mechanism to move freely up and down.

Step 2 Test Fit the Panel in Your Track

  • You want to put the pet door in your track before applying any weather stripping to ensure it fits. If the panel fits well, proceed to the next step. See the FAQs if you have trouble.
  • To insert the panel into the top track, push up against the spring mechanism and swing the bottom of the panel up and over the threshold.
  • Seat the panel on top of the small guide rail in the track.
  • If you can’t quite get it in the track, try swinging in from the outside as the outside track wall may be shorter.

Step 3 Apply the Weatherstripping

  • Once you’re sure the panel fits, remove it from the frame and lay it on its side on the ground.
  • Apply the foam weather-stripping by peeling back the paper and exposing the adhesive.
  • Unroll it along the edge of the panel, pressing to ensure it adheres. Install on both sides, trim it fit with scissors.

Step 4 Install the Draft Stopper

  • The center post weather seal strip (draft stopper) should be installed on the inside of the home.
  • It can install on either the back edge of the sliding door panel or the leading edge of the stationary panel.
  • This strip prevents air from leaking between the sliding glass door and the stationary panel.
  • Trim with scissors as needed. Clean the edge of your patio door with rubbing alcohol before installing to assure a good seal.
  • Repeat step two to install the panel in your track.
Installation icon Difficulty Easy
Installation icon Steps 06
Installation icon Time Required 0.5 hours
Installation icon Sections 03
Installation icon Flags 02

Parts

  • Top Glass Panel Section
  • Bottom Flap Section
  • Foam Weather Strip
  • Center Post Weather Seal Draft Stopper
  • 4 Flathead Screws
  • Flathead Screwdriver
  • Screwdriver for Adjustment Locks
  • Sliding Door C-Clamp Lock

Tools

  • None

Please read instructions & notes thoroughly before installation.

Two-Piece Panel

Step 1: Step Over Adjust Step Over Height (Optional)

  • The Endura aluminum sliding door panel has a patented Adjustable Step-Over feature which allows you to adjust the height of the flap to the most comfortable fit for your pet.
  • The top of the flap should be positioned to be at least 1” above the top of the pet’s shoulder.
  • If the factory setting is not suitable, please adjust it before proceeding. If the current setting is suitable, proceed to the “Installation Instructions” section.

Step 2 Rearrange the Pieces

  • Simply slide the pieces up and out from the bottom half of your panel to rearrange.
  • Loosen a bottom screw if the pieces are too snug to move.

Step 3 Reconnect the Pieces

  • Replace the spacers and the Pet Door Assembly by sliding them back in a different order to achieve the desired height.
  • You can move the spacer below or above the flap to raise or lower the flap height.

Step 4 Screw the Pieces Together

  • The order of the pieces is important! The piece on the bottom needs to always be at the bottom, as that is where the screws attach. You can now assemble the patio panel!

Step 1: Connect the Sections Align the Connectors

  • Align the aluminum connectors extending from the bottom flap panel section with the top glass panel section.
  • Press the aluminum connectors into the holes at the bottom of the top glass panel section.
  • Ensure locking cover & height adjustment locks are on the same side!

Step 2 Tap the Pieces Together

  • Gently tap the bottom surface of the panel against the ground to completely insert the connectors.
  • Protect hard surfaces to prevent scratching.
  • The components of the panel are designed to slide together very tightly.

Step 3 Secure the Sections

  • Fasten the two panels together using the four flathead screws and countersunk washers found in the panel packaging.
  • Use the included flathead screwdriver to tighten flathead screws and countersunk washers so the two halves of the door are pulled together.

Step 1: Install the Panel Adjust Spring Mechanism

  • Loosen the height adjustment locks at the top of the pet panel. This allows the spring mechanism to move freely up and down.

Step 2 Test Fit the Panel in Your Track

  • You want to put the pet door in your track before applying any weather stripping to ensure it fits. If the panel fits well, proceed to the next step. See the FAQs if you have trouble.
  • To insert the panel into the top track, push up against the spring mechanism and swing the bottom of the panel up and over the threshold.
  • Seat the panel on top of the small guide rail in the track.
  • If you can’t quite get it in the track, try swinging in from the outside as the outside track wall may be shorter.

Step 3 Apply the Weatherstripping

  • Once you’re sure the panel fits, remove it from the frame and lay it on its side on the ground.
  • Apply the foam weather-stripping by peeling back the paper and exposing the adhesive.
  • Unroll it along the edge of the panel, pressing to ensure it adheres. Install on both sides, trim it fit with scissors.
  • Repeat step two to install the panel in your track.

Step 4 Install the Draft Stopper

  • The center post weather seal strip (draft stopper) should be installed on the inside of the home.
  • It can install on either the back edge of the sliding door panel or the leading edge of the stationary panel.
  • This strip prevents air from leaking between the sliding glass door and the stationary panel.
  • Trim with scissors as needed. Clean the edge of your patio door with rubbing alcohol before installing to assure a good seal.

Adjusting Stepover Height

Lock Details

a lock can secure your slider in place

Since you cannot lock your sliding door to your panel pet door, we have provided you with alternative locking methods to secure your home:

Installing the sliding door clamp: This clamp has a screw that tightens by hand to prevent the sliding door from moving beyond the clamp’s placement. For doors manufactured with the glass slider on the inside track, the lock can usually be installed on the door’s raised track.

If you aren’t able to use the lock that comes with the panel: A great alternative to locking your sliding glass door is a Charley bar or dowel in the track. Both work off the same concept – they block the slider from opening. When engaged you cannot pull the sliding door away from the pet door panel.


use a charley bar or dowel in the slider track to secure your door

Other Installation Options

Semi-Permanent Installation:

You might choose to secure the panel in your track with screws. This can be done by drilling screws at an angle in the top and bottom tracks. We recommend doing this from the outside to minimize damage to the sliding glass door frame. One-way screws will prevent tampering or removal of the panel from the outside.

you can screw your panel into your slider for a more permanent installation

Stationary Panel:

Some stationary sliding door panels can be unfastened and moved over to one side so that you can install the pet door panel between the jamb and stationary panel.

Avoid damaging your sliding glass door by checking that your door can move and that you can reinstall it properly before trying to uninstall the unit.

You will still lose space in your slider to move through, however, you will be able to use your existing sliding door lock to secure your home. Installing your pet door this way is also great in that you already have an alarm system in place.

If your sliding glass door slides on the outside track, using an alternative lock might not be possible, so this allows you to still lock your door.

NOTE: You can do the stationary panel install with the regular spring actuator method – no need to screw it in.

Videos

ENDURA FLAP® PET DOORS: Endura Dog Door Impact Test





ENDURA FLAP® PET DOORS: Thermo Panel 3e





How to Measure Your Sliding Glass Door for a Pet Door





How to Adjust the Magnet Strength on Your Endura Flap



How to Adjust Your Stepover


FAQ

What is the thickness of the panel?

The Patio Pacific Endura Flap Thermo Panel 3e is 1" thick. It is only thick enough for a single flap, not a double flap.

Does this panel work with vinyl sliders?

Yes, the Endura Flap 3e is compatible with most vinyl sliding patio doors for a vinyl-pet slider that matches your existing track. At 1" thick, it is thicker than most aluminum panels, so it will fit better in a vinyl track. The track width may not line up exactly with the panel, but it is only an issue with the aesthetics, not functionality.

What do I do if this does not come in size that will fit my door?

If none of these sizes will fit your door, you can order a custom fit Endura Flap Thermo Panel 3e.

Does this keep mice, rats, and other pests out?

This is a manual door, so there is no guarantee that critters will not get in. However, the Endura Flap has incredibly strong magnets that are hard for small critters to push through and get in. Many of our electronic and microchip pet doors have locks that keep out intruder critters and are racoon-proof.

How do I measure my door to get the correct height adjustment size?

Measure from the innermost part of the bottom track to the innermost top part of the track. If there is a pencil railing, include that in the measurement because the panel straddles the railing.

What do the Step-Over Range dimensions mean?

The step-over is the part of the panel under the actual door opening. Depending on the flap size purchased, the step-over can range from 3"-7". This means that you can adjust it to any step-over within that range. So if you have a puppy, you can keep adjusting it as they grow.

Will there be enough room for me to get through after the panel is installed?

That depends on how wide your sliding glass door opens and how wide the panel you purchase is. Those dimensions can be found under the "Overall Panel Width" column.

Can an intruder remove the Endura Flap dog door for slider from the outside?

No, the thumb screws are on the inside of the panel, so once installed, the Endura Flap Panel cannot be lifted out and removed without first loosening the thumbscrews from inside the home.

What locking mechanism can I use for the Thermo Panel 3e?

This door comes with a secure clamp lock. Alternatively, the Endura dog and cat door for sliding glass door can be secured with a Charley Bar for added security.

Does the Endura Flap dog door sliding door come with locking covers for security?

Yes, these dog doors come with locking covers to ensure safety for your pet and home. Endura Flaps have locking covers that slide over them on the side facing inside your home and are made of sturdy, heavy-duty ABS plastic. Unfortunately, they cannot be used on the outside of Endura Flap Panels as an alternative.

Do the Endura Flap panels require tools for installation?

Endura Flap sliding glass dog doors under 80 ¼" do not require tools, making them one of the best dog doors for rental homes! However, everything above this height generally will require some tools for installation. What we call a sectional panel will be shipped in two pieces because it is so tall. Breaking the pet door for sliding door down saves the customers on shipping costs, because we are able to ship in a smaller package. The sectionals will need to be assembled with 4 hex screws and a hex wrench, all of which are provided.

Is this door good in a cold winter climate? I want something effective in our winter months. 

Yes, the Endura Flap has been tested in -4°F.

Will this take up too much space in my slider?

The panel will take up some space, and some pet owners have said that they have trouble squeezing by it. An alternative option is the Pet Door Guys pet doors.

My sliding door track has a triangular guide rail. Will this pet door still work?

Some sliding glass door tracks have a triangle-shaped guide rail instead of a cylindrical pencil rail running along the middle. This pet door panel has an arch along the bottom that is designed to sit on top of a cylindrical pencil rail. Pencil rails are shorter in height than triangular guide rails, which means that the pet door panel would wobble on top of it rather than sitting flush with the rest of the track. To accommodate the pet door panel you will need to build up the sides of the triangular guide rail so that the tip is less than ¼” tall. Please reach out to customer service if you have any questions about this process.

Will this panel work if my sliding glass door has a buried track?

Some sliding glass doors have buried tracks. Since this panel has an arch along the bottom that is designed to sit on top of a pencil rail, it will not be secure in a slider with a buried track without modifications. We recommend securing the panel to the track wall with L brackets or toenailing it to the track wall. Toenailing is the process of fastening the panel to the track by driving a nail at roughly a 45-degree angle into the panel and through the track wall. Please note that these modifications result in a semi-permanent installation. If you needed to remove the panel in the future you would first have to remove the L brackets or nails. Additionally, please note that this process would leave holes in the pet door panel and it would no longer be returnable. Please reach out to customer service to further discuss your options for a buried track.

I have a hurricane patio door. Will this pet door work for me?

Hurricane door track styles vary widely, so they are case-by-case. Please reach out to customer service to discuss your pet door options for your sliding door.

Will this pet door work with Anderson and Pella sliding doors?

Anderson and Pella sliding glass doors have an inner track wall but no outer track wall. Additionally, the pencil rail is on the outer edge of the track rather than in the middle. Since this pet door panel is designed to sit between two track walls and on top of a centered pencil rail, it cannot be installed in Anderson or Pella doors without modifications. We recommend building out your track and using L brackets or toenailing to secure the bottom of the panel to the inner track wall. Building out the track means adding a piece of wood or vinyl that is the same height as the pencil rail to the space next to the pencil rail. This creates a flat surface for the pet door panel to sit on. Next, you will need to secure the panel to the track wall. To do this, you can use L brackets or you can toenail the panel into the track wall. Toenailing is the process of fastening the panel to the track by driving a nail at roughly a 45-degree angle into the panel and through the track wall. Please note that these modifications result in a semi-permanent installation. If you needed to remove the panel in the future you would first have to remove the L brackets or nails. Additionally, please note that this process would leave holes in the pet door panel and it would no longer be returnable. Please reach out to customer service to further discuss this process or different options for an Anderson or Pella sliding door.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Endura Flap products have a lifetime warranty against defects in materials and workmanship under standard regular use. Damage caused by not using the product as intended, improper installation, and chewing is not covered under this warranty.

Customer Reviews
4.7 Based on 290 Reviews
5 ★
75% 
217
4 ★
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57
3 ★
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2 ★
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Filter Reviews:
IP
09/11/2022
Indira P.
United States

I wish there was a training door.

This door is great quality and will be a major upgrade from the old janky one come winter but dang my dogs act like the flap is a cement fortress they can't get through. For now, it's propped up with the cover door because even taking out the magnets hasn't helped. We'll get there, eventually.

HT
09/09/2022
Heidi t.
United States United States

Dogs love their new Door!!

We are enjoying the ease of the new door. The go in and out at will. It’s Perfect!!!

TO
08/04/2022
Thomas O.
United States United States

Pet door should come with training for your dog

Install was super easy. Now we have to get our three dogs to use it the lab has been pretty good. The dachshund is a little tuff and the coonhound is fighting it all the way. I’m up for suggestions.

BS
07/19/2022
Barry S.
United States United States

Easy Installation

Excellent so far - the dogs are learning how to use it

DM
07/08/2022
Diane M.
United States United States

Excellent Quality

The door itself is excellent quality and feels solid and sturdy. The weather stripping that came with it is excellent quality and thick, compared to competitors. The flap seals very well on all sides due to the magnets. The best part is that you can adjust the strength of the magnets by removing them. My puppy couldn't quite push the door open so I removed a magnet until she was big enough to use the door with the magnets full strength. I would definitely recommend this product.