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Ideal Cat Doors for Sash Windows

Ideal Cat Doors for Sash Windows

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$179.99
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$179.99
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  • Designed for sash windows with tracks at least 7/8" wide, compatible with five frame width ranges.
  • Clear Lexan polycarbonate flap in two sizes, featuring a magnet for secure closure.
  • 4-way locking system providing increased control over your cat's access.
  • Tool-free, spring-loaded installation with no permanent alterations required.
  • White extruded aluminum frame for durability and a sleek appearance. 

Custom Order | Non-Returnable

Product Details


The Ideal "Cat Sash" Cat Doors for Sash Windows is a top-quality solution for providing your feline friends with the freedom to roam indoors and outdoors without requiring your constant assistance. This window insert cat door features a durable white extruded aluminum frame and a clear Lexan polycarbonate flap, ensuring sturdiness while blending seamlessly with common window designs.

With a 4-way locking system, you can gain more control over your cat's access and movement. Choose from in only, out only, completely locked, or unlocked options, depending on your needs. The flap is available in two sizes and is equipped with a magnet to maintain a secure closure, offering moderate weather resistance in temperate, three-season climates.

The adjustable design accommodates five width ranges and is suitable for sash window tracks at least 7/8" wide. The spring-loaded mechanism allows for an effortless, tool-free installation, so you can avoid making permanent alterations to your home. Custom sizes are available but are non-returnable.

The Ideal "Cat Sash" Cat Doors for Sash Windows is a game-changer for many cat owners, allowing their cats to access the yard freely without constant assistance. This means more convenience and flexibility for you, and a more independent lifestyle for your feline companion. 

Features:

  • Adjustable design available in five width ranges, catering to multiple window sizes.
  • 4-way locking mechanism allows for tailored access options: in only, out only, completely locked, or unlocked.
  • Weather-resistant flap material, ideal for temperate, three-season climates.
  • Easy installation without tools, thanks to the spring-loaded design.
  • Enhances your cat's freedom while reducing energy loss and preventing bugs from entering.
  • Fits into sash window tracks at least 7/8" wide

Benefits:

  • White framing matches common window designs
  • The sturdy flap is ideal for moderate weather resistance
  • Cats can access the yard freely
  • Easy, spring-loaded installation avoids making any permanent alterations in your home
  • A 4-way lock allows you to have more control over your cat's access to and from the sash window
  • You no longer have to let your cats in and out repeatedly

Size Chart

Flap Dimensions:

6 1/4"w x 6 1/4"h

The entry way your dog goes through.
flap dimensions
height to raise window

Height to Raise Window

11 7/8"

The height needed to fit your panel into your window.

Flap Dimensions:

7 1/2"w x 10 1/2"h

The entry way your dog goes through.
flap dimensions
height to raise window

Height to Raise Window

16 1/4"

The height needed to fit your panel into your window.
Flap SizeFlap DimensionHeight to Raise WindowRecommended Pet Height
Cat Flap6 1⁄4" w x 6 1⁄4" h11 7⁄8"4" - 8"
Large Cat Flap7 1⁄2" w x 10 1⁄2" h16 1⁄4"4" - 15"

 
 

Do not know which flap size to get? Here is a measurement guide to help you out

 

Adjustment Ranges

  • 23" – 28" Custom
  • 27" – 32" Custom
  • 33" – 38"
  • 37" – 42" Custom
  • 45" – 50" Custom

 

Custom Sizes:  Adjustment ranges other than 33" – 38" are considered custom and a final sale; no return.

Wondering how to measure your track? Review our Track Measuring Guide.

Do not know which flap size to get? Here is a measurement guide to help you out.

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Additional Information

Color

White

Frame Material

Extruded Aluminum

Flap Material

Polycarbonate

Flap Colors

Clear

Flap Thickness

1/8

Dual or Single Pane

Single Pane 1/8" Thick

Warranty Period

1 year

Return Period

30 days

Flap Type

Single Flap

Your Maximum Pet Size

Cats, Large Cats

Climate Suitability

Temperate-3 Season

Type of Window

Sash (Up & Down)

Flap Design

Single, Rigid, Thin Flap

Ability to Lock Flap

Deluxe (4-way lock)

Can Be Installed In

Sash Windows

Sealing Value

Average

Wind Resistance

Average

Replacement Flaps Available

Yes

Insulation Value

Average

Installation Instructions

Installation icon Difficulty Easy
Installation icon Steps 05
Installation icon Time Required 0.5 Hours
Installation icon Sections 01
Installation icon Flags 00

Parts

  • Fast Sash Panel
  • Foam Weather Seal
  • Vinyl Draft Seal

Tools

  • Safety Goggles
  • Tape Measure
  • Scissors

Please read instructions & notes thoroughly before installation.

Step 1 Test Fit the Panel

  • Raise your sliding sash window frame to its fully open position and place the pet door assembly between the window sill and the open sash window frame.

Step 2 Adjust the Knobs

  • Turn the silver knobs counter-clockwise to release the end spacers.
  • Pet door assembly should now fit the window snugly on both ends.

Step 3 Tighten the Panel

  • Turn the silver knobs clockwise to tighten and lok the end spacers in position.

Step 4 Install the Foam Seal

  • Measure the top of the installed aluminum sash window pet door. Unroll and cut foam bumper seal to this length.
  • Peel off the protective backing and attach along the top edge of the pet door, pressing firmly as you go.
  • Lower the sliding sash window frame until it touches onto the foam bumper seal.

Step 5 Install the Draft Seal

  • Measure the top of the sliding sash window frame from the left edge of the latch to the outside edge of the top frame.
  • Cut the vinyl draft seal to this measurement.
  • Peel off the protective backing and attach along the top edge of the sliding sash window window frame, making sure the inside flexible edge touches the glass opposite the sliding sash window frame.
  • Repeat this step for the right side.

Videos

How to Measure Your Sash Window for a Pet Door



FAQ

Where do I measure to select the correct adjustment range on the window mounted cat flap door?

Measure from the deepest part inside the track on the left all the way over inside the deepest part of the track on the right.

What is the min height to raise window?

This is how high you have to be able to open the window up in order to be able to get the sash into the track.

Does this ideal sash door have good insulating value?

They are ok and really best for more moderate climates.

Can I take it out if I need?

Yep! They are meant to be able to take in and out easily without the use of any tools.

How wide does my track have to be?

We recommend that you have a track that is at least 1" in order for the Ideal cat window door to fit properly.

If the sash is a little too wide what can I do?

Ideal made the sash so that you can trim about 1" off either side just in case there was a small measuring error.

If the sash isn't wide enough what can I do?

There are channels in both sides of the spring loaded adjustment ranges. You can trim a piece of wood and slide it into the channel to act as an extension.

What does "Custom" mean?

This means that the option(s) you have chosen make the sash non-returnable so there will be no returns or refunds and it is a final sale.

Does this only come in white?

Yes, they no longer offer color choices.

What is the Pet Flap Installation Position?

You can choose where the pet door is installed. So from the inside looking out whether the door is on the left side or the right.

What Cat Window Doors do you recommend for a Sash Window that has a built in lock?

We like the Ideal Cat Sash Cat Doors for Sash Windows.

Do you have an Ideal cat window door for hefty cats?

Yes, you will want to choose the larger size 7.5"w x 10.5"h. You will need to be able to raise your window at least 16.25" for the unit to fit the height.

Can my dog use this cat door for horizontal sliding windows?

Generally, cat flap pet doors are made to fit cats only. However, if you have a small dog, they may be able to fit through any cat doors for windows if it is in the largest size. Otherwise, we suggest buying a separate dog door for your dog.

Can I install this into my screen door?

This cat flap is made for sash windows only, and will not fit into any exterior doors. Check out the pet screen door from Petsafe, or shop from our list of the best cat doors

Is the flap made from lexan?

No, the flap is polycarbonate.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Superseding Warranty: The provided warranty supersedes any previous warranties, and any existing warranties will now follow the terms of this new warranty.

Duration: There is a One Year Warranty from the purchase date.

Coverage:

  • The product is warranted to be free from manufacturer’s defects in workmanship and materials.

  • Only the original purchaser can claim this warranty, and it's non-transferable.

  • In case of valid claims, defective parts will be replaced at no charge. No refunds are given.

Exclusions:

  • The product is not waterproof against inclement weather or excessive water exposure.

  • Warranty is voided by improper installation, intentional misuse, unauthorized repairs, non-compliance with manufacturer's instructions, or commercial use.

  • The product should be used for domesticated animals only. Damage or defects caused by acts of God, criminal activity, dog abuse, unauthorized entry by non-domestic animals, children's use, or any unintended misuse are not covered.

View the full Ideal Pet Products Warranty.



Customer Reviews

Ideal Cat Doors for Sash Windows

Cat Flap / 23" - 28" (Custom) Edit

Ideal Cat Doors for Sash Windows

Size Chart

Flap Dimensions:

6 1/4"w x 6 1/4"h

The entry way your dog goes through.
flap dimensions
height to raise window

Height to Raise Window

11 7/8"

The height needed to fit your panel into your window.

Flap Dimensions:

7 1/2"w x 10 1/2"h

The entry way your dog goes through.
flap dimensions
height to raise window

Height to Raise Window

16 1/4"

The height needed to fit your panel into your window.
Flap SizeFlap DimensionHeight to Raise WindowRecommended Pet Height
Cat Flap6 1⁄4" w x 6 1⁄4" h11 7⁄8"4" - 8"
Large Cat Flap7 1⁄2" w x 10 1⁄2" h16 1⁄4"4" - 15"

 
 

Do not know which flap size to get? Here is a measurement guide to help you out

 

Adjustment Ranges

  • 23" – 28" Custom
  • 27" – 32" Custom
  • 33" – 38"
  • 37" – 42" Custom
  • 45" – 50" Custom

 

Custom Sizes:  Adjustment ranges other than 33" – 38" are considered custom and a final sale; no return.

Wondering how to measure your track? Review our Track Measuring Guide.

Do not know which flap size to get? Here is a measurement guide to help you out.

Find The Best Pet Door Size For My Pet

A

Pet Height: inches

B

Pet Width: inches

Please fill the above fields.

Color

White

Frame Material

Extruded Aluminum

Flap Material

Polycarbonate

Flap Colors

Clear

Flap Thickness

1/8

Dual or Single Pane

Single Pane 1/8" Thick

Warranty Period

1 year

Return Period

30 days

Flap Type

Single Flap

Your Maximum Pet Size

Cats, Large Cats

Climate Suitability

Temperate-3 Season

Type of Window

Sash (Up & Down)

Flap Design

Single, Rigid, Thin Flap

Ability to Lock Flap

Deluxe (4-way lock)

Can Be Installed In

Sash Windows

Sealing Value

Average

Wind Resistance

Average

Replacement Flaps Available

Yes

Insulation Value

Average

Installation Instructions

Installation icon Difficulty Easy
Installation icon Steps 05
Installation icon Time Required 0.5 Hours
Installation icon Sections 01
Installation icon Flags 00

Parts

  • Fast Sash Panel
  • Foam Weather Seal
  • Vinyl Draft Seal

Tools

  • Safety Goggles
  • Tape Measure
  • Scissors

Please read instructions & notes thoroughly before installation.

Step 1 Test Fit the Panel

  • Raise your sliding sash window frame to its fully open position and place the pet door assembly between the window sill and the open sash window frame.

Step 2 Adjust the Knobs

  • Turn the silver knobs counter-clockwise to release the end spacers.
  • Pet door assembly should now fit the window snugly on both ends.

Step 3 Tighten the Panel

  • Turn the silver knobs clockwise to tighten and lok the end spacers in position.

Step 4 Install the Foam Seal

  • Measure the top of the installed aluminum sash window pet door. Unroll and cut foam bumper seal to this length.
  • Peel off the protective backing and attach along the top edge of the pet door, pressing firmly as you go.
  • Lower the sliding sash window frame until it touches onto the foam bumper seal.

Step 5 Install the Draft Seal

  • Measure the top of the sliding sash window frame from the left edge of the latch to the outside edge of the top frame.
  • Cut the vinyl draft seal to this measurement.
  • Peel off the protective backing and attach along the top edge of the sliding sash window window frame, making sure the inside flexible edge touches the glass opposite the sliding sash window frame.
  • Repeat this step for the right side.

Videos

How to Measure Your Sash Window for a Pet Door



FAQ

Where do I measure to select the correct adjustment range on the window mounted cat flap door?

Measure from the deepest part inside the track on the left all the way over inside the deepest part of the track on the right.

What is the min height to raise window?

This is how high you have to be able to open the window up in order to be able to get the sash into the track.

Does this ideal sash door have good insulating value?

They are ok and really best for more moderate climates.

Can I take it out if I need?

Yep! They are meant to be able to take in and out easily without the use of any tools.

How wide does my track have to be?

We recommend that you have a track that is at least 1" in order for the Ideal cat window door to fit properly.

If the sash is a little too wide what can I do?

Ideal made the sash so that you can trim about 1" off either side just in case there was a small measuring error.

If the sash isn't wide enough what can I do?

There are channels in both sides of the spring loaded adjustment ranges. You can trim a piece of wood and slide it into the channel to act as an extension.

What does "Custom" mean?

This means that the option(s) you have chosen make the sash non-returnable so there will be no returns or refunds and it is a final sale.

Does this only come in white?

Yes, they no longer offer color choices.

What is the Pet Flap Installation Position?

You can choose where the pet door is installed. So from the inside looking out whether the door is on the left side or the right.

What Cat Window Doors do you recommend for a Sash Window that has a built in lock?

We like the Ideal Cat Sash Cat Doors for Sash Windows.

Do you have an Ideal cat window door for hefty cats?

Yes, you will want to choose the larger size 7.5"w x 10.5"h. You will need to be able to raise your window at least 16.25" for the unit to fit the height.

Can my dog use this cat door for horizontal sliding windows?

Generally, cat flap pet doors are made to fit cats only. However, if you have a small dog, they may be able to fit through any cat doors for windows if it is in the largest size. Otherwise, we suggest buying a separate dog door for your dog.

Can I install this into my screen door?

This cat flap is made for sash windows only, and will not fit into any exterior doors. Check out the pet screen door from Petsafe, or shop from our list of the best cat doors

Is the flap made from lexan?

No, the flap is polycarbonate.

How much does shipping cost?

Shipping is calculated at checkout.

Warranty

Superseding Warranty: The provided warranty supersedes any previous warranties, and any existing warranties will now follow the terms of this new warranty.

Duration: There is a One Year Warranty from the purchase date.

Coverage:

  • The product is warranted to be free from manufacturer’s defects in workmanship and materials.

  • Only the original purchaser can claim this warranty, and it's non-transferable.

  • In case of valid claims, defective parts will be replaced at no charge. No refunds are given.

Exclusions:

  • The product is not waterproof against inclement weather or excessive water exposure.

  • Warranty is voided by improper installation, intentional misuse, unauthorized repairs, non-compliance with manufacturer's instructions, or commercial use.

  • The product should be used for domesticated animals only. Damage or defects caused by acts of God, criminal activity, dog abuse, unauthorized entry by non-domestic animals, children's use, or any unintended misuse are not covered.

View the full Ideal Pet Products Warranty.