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Dragon Vinyl Window Pet Door

Dragon Vinyl Window Pet Door

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$289.99
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$289.99
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  • Cost-effective pet door insert for horizontal vinyl windows
  • Quick, spring-loaded panel adjustment fits most window sizes
  • Energy-efficient, two-piece flap design seals pet door opening
  • Available in single or double flap for improved insulation
  • Flexible, lightweight flap ideal for both dogs and cats
  • This product is made-to-order and considered a custom order, which is  non-returnable
  • Approximately one month to build your pet door; reach out to our Customer Service team for expedited shipping options  

Product Details


The Dragon Vinyl Window Pet Door is the perfect solution for those seeking a cost-effective, easy-to-install pet door for their horizontal vinyl-framed windows. This innovative pet door insert offers a seamless fit with most window sizes, thanks to its quick, spring-loaded panel adjustment system. The energy-efficient, two-piece flap design ensures that the pet door opening remains sealed, providing insulation and protection against drafts.

The Dragon Vinyl Window Pet Door offers a single or double flap option, allowing you to customize the level of insulation needed for your home. The flexible, lightweight flap is made from polyolefin elastomer, making it easy for pets of all sizes to use – whether you have a dog or a cat.

Constructed with a sturdy vinyl frame, this pet door fits comfortably in window tracks that are 1 1/4" or wider. The pet door flap and frame contain UV-resistant additives to protect against weather damage and prolong the life of the product. Designed with single-pane, tempered glass, this pet door is optimal for moderate climates.

Installation is a breeze with the spring-loaded panel, which easily adjusts to fit various vinyl sliding window heights. The flap remains securely sealed when not in use, thanks to strategically placed magnets. For added security, the Dragon Vinyl Window Pet Door includes a sturdy, black locking cover to block access when needed.

Not only is this pet door convenient and functional, but it also offers a polished look that complements your existing vinyl window frame. Enjoy the ease and freedom the Dragon Vinyl Window Pet Door provides for both you and your beloved pets.

Already have a Dragon pet door? See which replacement flap fits your door.

Features:

  • Sturdy vinyl frame fits comfortably in window tracks 1-1/4" or wider
  • Flexible polyolefin elastomer flap easy to use; option for double flap for better insulation
  • UV-resistant additives protect against weather damage
  • Single-pane, tempered glass ideal for moderate climates
  • Spring-loaded panel ensures adjustable height for various vinyl sliding windows
  • Magnets keep the flap sealed when not in use
  • Includes a sturdy, black locking cover to block access when needed 

Benefits:

  • Vinyl panel matches your existing frame for the perfect fit and streamlined look
  • Lightweight flap and frame, easy for pets of all sizes to use
  • Low-impact installation—no drilling or cutting required

Size Chart

Flap Dimensions:

5 3/8"w x 9"h

The entry way your dog goes through.

Step Over Range

3"

Distance from the bottom of the flap to the floor you pet must step over to enter the pet door.
flap dimensions
step-over range
overall panel width

Overall Panel Width

12 5/16"

How wide the panel is overall.

Flap Dimensions:

7 1/16"w x 13 1/16"h

The entry way your dog goes through.

Step Over Range

3”

Distance from the bottom of the flap to the floor you pet must step over to enter the pet door.
flap dimensions
step-over range
overall panel width

Overall Panel Width

13 5/8"

How wide the panel is overall.

Flap Dimensions:

9 3/8"w x 16 9/16"h

The entry way your dog goes through.

Step Over Range

3”

Distance from the bottom of the flap to the floor you pet must step over to enter the pet door.
flap dimensions
step-over range
overall panel width

Overall Panel Width

15 1/4"

How wide the panel is overall.
Flap SizeFlap DimensionsStep OverOverall Panel WidthRecommended Pet Height*
Small5 3/8"w x 9"h3"12 5/16"9" - 12"
Medium7 1/16"w x 13 1/16"h3"13 5/8"11" - 16"
Large9 3/8"w x 16 9/16"h3"15 1/4"11" - 22"

*measured from the ground to the tallest point of their back.

Your Track Height Adjustment range is based on the measurement of your door height from the lowest point of your track to the highest point. Each Dragon patio panel has a 3" adjustment range with your window track height approximately in the middle. The following adjustment ranges are available:

  • Short (Size F): 34" – 37"
  • Regular (Size J): 46" – 49"

IMPORTANT SIZING INFORMATION

The Dragon Pet Door’s two-piece flap is designed to tear away for your pet’s safety. If you pet door is not the right size for your pet, they may break off flap during normal use. Follow these sizing tips to help ensure that you are buying the right Dragon Pet Door size:

  • Check the Flap Height: You must measure your dog before purchasing a pet door. A large dog may not fit in a “large” pet door. The tallest point of your dog’s back should be at least 1” beneath the top of the flap. 
  • Check the Step-Over: Your pet should be able to over the bottom of the flap comfortably. If the distance from the floor to the bottom of the pet door (called the stepover) is too high, your dog’s paw may catch in the pet door’s U-gasket. It’s better to have a taller pet door that is lower to the ground than a smaller pet door that is too high up.
  • Check Your Entry/Exit Level: The inside of your home may be higher than the ground outside. This means that your door may have different step-over heights depending on whether you are indoors or outdoors. Try to use the lower level when picking your step over height. You can also even of the different levels with a ramp or platform. 
  • Reinforce Your Flap: Every Dragon Pet Door comes with instructions for how to reinforce the screws keeping your flap in place. If you are worried in any way that your pet may rip off the flap, we recommend preemptively reinforcing your flap. Note that doing so will negate the teat-away safety feature. 

If you have any questions about which size pet door your pet needs, please contact our team of pet door experts for guidance and recommendations. 

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Installation Instructions

installation video image
Installation icon Difficulty Easy
Installation icon Steps 04
Installation icon Time Required 0.5 Hours
Installation icon Sections 03
Installation icon Flags 02

Parts

  • 1 Window Insert with a Pre-Installed Dragon Pet Door
  • 1 Foam Weather Strip Seal
  • 1 Locking Cover

Tools

  • Flathead Screwdriver

Please read instructions & notes thoroughly before installation.

Step 1 Adjust the Top Piece

how to adjust top piece
  • Loosen the height adjustment locks at the top of the panel. This allows the spring mechanism to move freely up and down.
  • Watch out, it might jump at you the first time!

Step 2 Test-Fit the Panel

fit panel into track
  • Insert the panel into the top track of your framing, push the panel into the spring mechanism and swing the bottom of the panel up and over the threshold into the rail at the bottom.
  • If you can't quite clear the track, try swinging in from the outside as the outside track wall may be shorter.
  • If the panel still doesn’t fit, see the FAQ for guidance.
  • Do not apply the weather stripping before test fitting the panel

Step 3 Apply the Weather Stripping

apply weatherstripping
  • Once you have confirmed the panel fits, remove the panel from the track and lay it on its side.
  • 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. Use scissors to trim the strip to fit the length of your panel.
  • Flip your panel around to apply on the other side.

Step 4 Install the Panel

fit panel into track
fit panel into track
twist thumbscrews to tighten
  • Place the panel back into the window, then tighten the height adjustment locks to lock it in place. Installation complete!

Locking Your Window

Since you likely can no longer use your window’s original lock, we have provided you with an alternative locking method to keep your home secure.

Installing the track clamp

This clamp has a thumb screw which tightens by hand to prevent the sliding window pane from moving beyond the clamp’s placement. For windows manufactured with the slider on the inside track, the lock can usually be installed on the raised track.

installing the track clamp

If you aren't able to use the lock that comes with the panel:

A great alternative to locking your window 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 pane away from the pet door panel.

insert charley bar

Frequently Asked Questions

What if my panel is slightly too tall?

You can trim up to 5/16” off the spring-loaded adjustment piece at the top. This can be done by removing the adjustment pieces with a #2 Phillips Head screwdriver and cutting down the flanges. Be careful not to cut too low.

spring loaded adjustment piece

The dark area marks where you can trim:

where to trim adjustment piece

What if the panel is wobbling slightly back and forth?

If your track is wider than 1-1/2" you can use small wooden shims or extra weather-stripping to fill in the gap inside the top and bottom tracks. By placing the material inside the tracks you won't be able to see it, but it will stabilize the panel.

FAQ

How do I lock my window pet door insert?

The spring-loaded pressure system will secure the panel in place in your window track. However, if you want a semi-permanent installation, you can toenail a screw to the side of the Dragon window panel to secure it in place. For further security, you can install a Charley Bar.

Is the flap easy for pets to use?

Yes, the Dragon flap is very flexible and lightweight, so it's easy for pets to use. It's a great option if you have dogs and cats sharing.

What's the difference between single and double flap?

The double flap will be more insulating than the single flap. Keep in mind that this door is intended for more moderate climates

Can I start with a single flap and upgrade to double later?

Yes, since the flaps are installed on the outside of the frame, you can easily add a second Dragon Flap later for improved insulation.

Is the flap see-through? 

The flap is translucent. It has a slight tint but you can still see through it.

Do you need tools to install the dragon pet door for vinyl windows?

You need a flathead screwdriver to adjust the height adjustment locks at the top of the panel. 

What's the difference between the single flap and the double flap?

The double flap option provides increased insulation against the cold. Both options have magnets on the flap to keep the door sealed in wind.

I want to get the large pet door for my dog, but I am concerned about a person fitting through it.

All Dragon Pet Doors come with a locking cover. This cover can be used to keep you doggy in. It also can be used to keep intruders from entering your home. It slides into the interior frame.

How do I know what size is best for my dog?

When installing the pet door you want it to clear the top of your dog's back by 1-2 inches, minimum. To give your pet the most comfortable pet door possible, make sure the step-over is less than 1/3 of your dog's height. Lastly you want the width of the door to be big enough to allow your pet to go through without touching the sides. Here's a guide on how to measure your pet with tips on how to determine the correct size.

Are replacement flaps available?

Yes, you can buy Dragon replacement flaps.

Where can I install the Dragon Pet Door?

The Dragon Pet Door has multiple Installation options. You can install it in Regular Doors, as a Wall mount, Aluminum Sliding Doors, Vinyl Sliding Doors, Sash Windows, Vinyl Windows, and Horizontal Windows.

Can my small and large dog share this pet door?

Yes, but make sure to follow standard Measuring Guidelines. Make sure the size of the door is based off your tallest pet, but installed low enough for your smallest pet.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Dragon Pet Doors One Year Warranty

Dragon Pet Doors have a one-year warranty for normal wear & tear and manufacturing defects.



Customer Reviews

Dragon Vinyl Window Pet Door

Small / Single Flap / 34" - 37" Edit

 Dragon large single flap vinyl window pet door, black, front view.

Size Chart

Flap Dimensions:

5 3/8"w x 9"h

The entry way your dog goes through.

Step Over Range

3"

Distance from the bottom of the flap to the floor you pet must step over to enter the pet door.
flap dimensions
step-over range
overall panel width

Overall Panel Width

12 5/16"

How wide the panel is overall.

Flap Dimensions:

7 1/16"w x 13 1/16"h

The entry way your dog goes through.

Step Over Range

3”

Distance from the bottom of the flap to the floor you pet must step over to enter the pet door.
flap dimensions
step-over range
overall panel width

Overall Panel Width

13 5/8"

How wide the panel is overall.

Flap Dimensions:

9 3/8"w x 16 9/16"h

The entry way your dog goes through.

Step Over Range

3”

Distance from the bottom of the flap to the floor you pet must step over to enter the pet door.
flap dimensions
step-over range
overall panel width

Overall Panel Width

15 1/4"

How wide the panel is overall.
Flap SizeFlap DimensionsStep OverOverall Panel WidthRecommended Pet Height*
Small5 3/8"w x 9"h3"12 5/16"9" - 12"
Medium7 1/16"w x 13 1/16"h3"13 5/8"11" - 16"
Large9 3/8"w x 16 9/16"h3"15 1/4"11" - 22"

*measured from the ground to the tallest point of their back.

Your Track Height Adjustment range is based on the measurement of your door height from the lowest point of your track to the highest point. Each Dragon patio panel has a 3" adjustment range with your window track height approximately in the middle. The following adjustment ranges are available:

  • Short (Size F): 34" – 37"
  • Regular (Size J): 46" – 49"

IMPORTANT SIZING INFORMATION

The Dragon Pet Door’s two-piece flap is designed to tear away for your pet’s safety. If you pet door is not the right size for your pet, they may break off flap during normal use. Follow these sizing tips to help ensure that you are buying the right Dragon Pet Door size:

  • Check the Flap Height: You must measure your dog before purchasing a pet door. A large dog may not fit in a “large” pet door. The tallest point of your dog’s back should be at least 1” beneath the top of the flap. 
  • Check the Step-Over: Your pet should be able to over the bottom of the flap comfortably. If the distance from the floor to the bottom of the pet door (called the stepover) is too high, your dog’s paw may catch in the pet door’s U-gasket. It’s better to have a taller pet door that is lower to the ground than a smaller pet door that is too high up.
  • Check Your Entry/Exit Level: The inside of your home may be higher than the ground outside. This means that your door may have different step-over heights depending on whether you are indoors or outdoors. Try to use the lower level when picking your step over height. You can also even of the different levels with a ramp or platform. 
  • Reinforce Your Flap: Every Dragon Pet Door comes with instructions for how to reinforce the screws keeping your flap in place. If you are worried in any way that your pet may rip off the flap, we recommend preemptively reinforcing your flap. Note that doing so will negate the teat-away safety feature. 

If you have any questions about which size pet door your pet needs, please contact our team of pet door experts for guidance and recommendations. 

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Installation Instructions

installation video image
Installation icon Difficulty Easy
Installation icon Steps 04
Installation icon Time Required 0.5 Hours
Installation icon Sections 03
Installation icon Flags 02

Parts

  • 1 Window Insert with a Pre-Installed Dragon Pet Door
  • 1 Foam Weather Strip Seal
  • 1 Locking Cover

Tools

  • Flathead Screwdriver

Please read instructions & notes thoroughly before installation.

Step 1 Adjust the Top Piece

how to adjust top piece
  • Loosen the height adjustment locks at the top of the panel. This allows the spring mechanism to move freely up and down.
  • Watch out, it might jump at you the first time!

Step 2 Test-Fit the Panel

fit panel into track
  • Insert the panel into the top track of your framing, push the panel into the spring mechanism and swing the bottom of the panel up and over the threshold into the rail at the bottom.
  • If you can't quite clear the track, try swinging in from the outside as the outside track wall may be shorter.
  • If the panel still doesn’t fit, see the FAQ for guidance.
  • Do not apply the weather stripping before test fitting the panel

Step 3 Apply the Weather Stripping

apply weatherstripping
  • Once you have confirmed the panel fits, remove the panel from the track and lay it on its side.
  • 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. Use scissors to trim the strip to fit the length of your panel.
  • Flip your panel around to apply on the other side.

Step 4 Install the Panel

fit panel into track
fit panel into track
twist thumbscrews to tighten
  • Place the panel back into the window, then tighten the height adjustment locks to lock it in place. Installation complete!

Locking Your Window

Since you likely can no longer use your window’s original lock, we have provided you with an alternative locking method to keep your home secure.

Installing the track clamp

This clamp has a thumb screw which tightens by hand to prevent the sliding window pane from moving beyond the clamp’s placement. For windows manufactured with the slider on the inside track, the lock can usually be installed on the raised track.

installing the track clamp

If you aren't able to use the lock that comes with the panel:

A great alternative to locking your window 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 pane away from the pet door panel.

insert charley bar

Frequently Asked Questions

What if my panel is slightly too tall?

You can trim up to 5/16” off the spring-loaded adjustment piece at the top. This can be done by removing the adjustment pieces with a #2 Phillips Head screwdriver and cutting down the flanges. Be careful not to cut too low.

spring loaded adjustment piece

The dark area marks where you can trim:

where to trim adjustment piece

What if the panel is wobbling slightly back and forth?

If your track is wider than 1-1/2" you can use small wooden shims or extra weather-stripping to fill in the gap inside the top and bottom tracks. By placing the material inside the tracks you won't be able to see it, but it will stabilize the panel.

FAQ

How do I lock my window pet door insert?

The spring-loaded pressure system will secure the panel in place in your window track. However, if you want a semi-permanent installation, you can toenail a screw to the side of the Dragon window panel to secure it in place. For further security, you can install a Charley Bar.

Is the flap easy for pets to use?

Yes, the Dragon flap is very flexible and lightweight, so it's easy for pets to use. It's a great option if you have dogs and cats sharing.

What's the difference between single and double flap?

The double flap will be more insulating than the single flap. Keep in mind that this door is intended for more moderate climates

Can I start with a single flap and upgrade to double later?

Yes, since the flaps are installed on the outside of the frame, you can easily add a second Dragon Flap later for improved insulation.

Is the flap see-through? 

The flap is translucent. It has a slight tint but you can still see through it.

Do you need tools to install the dragon pet door for vinyl windows?

You need a flathead screwdriver to adjust the height adjustment locks at the top of the panel. 

What's the difference between the single flap and the double flap?

The double flap option provides increased insulation against the cold. Both options have magnets on the flap to keep the door sealed in wind.

I want to get the large pet door for my dog, but I am concerned about a person fitting through it.

All Dragon Pet Doors come with a locking cover. This cover can be used to keep you doggy in. It also can be used to keep intruders from entering your home. It slides into the interior frame.

How do I know what size is best for my dog?

When installing the pet door you want it to clear the top of your dog's back by 1-2 inches, minimum. To give your pet the most comfortable pet door possible, make sure the step-over is less than 1/3 of your dog's height. Lastly you want the width of the door to be big enough to allow your pet to go through without touching the sides. Here's a guide on how to measure your pet with tips on how to determine the correct size.

Are replacement flaps available?

Yes, you can buy Dragon replacement flaps.

Where can I install the Dragon Pet Door?

The Dragon Pet Door has multiple Installation options. You can install it in Regular Doors, as a Wall mount, Aluminum Sliding Doors, Vinyl Sliding Doors, Sash Windows, Vinyl Windows, and Horizontal Windows.

Can my small and large dog share this pet door?

Yes, but make sure to follow standard Measuring Guidelines. Make sure the size of the door is based off your tallest pet, but installed low enough for your smallest pet.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Dragon Pet Doors One Year Warranty

Dragon Pet Doors have a one-year warranty for normal wear & tear and manufacturing defects.