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Cat Door Panel Window Insert
Cat Door Panel Window Insert
Cat Door Panel Window Insert
Cat Door Panel Window Insert
Cat Door Panel Window Insert
Cat Door Panel Window Insert
Cat Door Panel Window Insert
Cat Door Panel Window Insert

Cat Door Panel Window Insert

(11 customer reviews)

$419.99 – $549.99

The Endura Flap Thermo-Sash 3e™ Sash Window Pet Door includes…

  • Durable and insulating pet door for windows due to the dual-pane, LoE glass, and sturdy aluminum framing
  • Various flap sizes, colors, and adjustment ranges to fit your pet and your window
  • No tools required for installation, perfect for renters and vacation homes
LRGHow to measure your pet – click here for instructions.MEDHow to measure your pet – click here for instructions.SMLHow to measure your pet – click here for instructions.XLHow to measure your pet – click here for instructions.
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SKU: #001-1-1-2 Category:

Description

It’s your cat always itching to go outside? If so, then you can reap great benefits by installing one of our amazing cat doors!

Benefits of Cat Door

Installing a brand new cat flap window insert from Pet Door Products can make your cat the happiest feline in the world. Take a look at these key advantages of installing a Cat Door Insert for Sash Windows:

  • Allows your cat to leave and come home when they want
  • Saves the hassle of constantly opening the door for your cat
  • Easy installation process
  • It leads to a happier cat!

Choosing one of our incredible car doors can take your home to the next level!

Do I Really Need a Cat Door?

Many cat owners find it challenging when trying to decide if they want to invest in a cat door. To help you make this decision, you’ll want to weigh the pros and cons. In addition, it really depends on what type of cat you own. With active cats who are always on the go, buying a cat door is the smart decision. Not only will your cat love you for it, but you’ll also never have to open the door for your cat again! Sounds pretty great, huh?

Pet Door Installation Instructions

Take a look at how our super-simple cat door installation process works:

Remove all four glass stops

By using a putty knife or another similar tool, you’ll want to remove the glass stops from your door. First, insert the tool into the seam between the stop and door frame. Gently tap, then you should be able to remove the stop. You’ll want to set these aside in a safe place as you’ll need them later on.

Separate glazing tape

You’ll then want to separate the glazing tape from between the glass and frame. Slide a putty knife in between the glass and frame on the backside of the door, then move all the way around the frame until the glass detaches.

Replace glazing tape in the door frame

After setting the old glass aside, you’ll then want to use a razor or putty knife to scrape away the old glazing tape that’s found near the inside edge of the door frame. Then, apply brand new tape in the same location around the frame.

Insert new pet door

The next step is to carefully insert the new door. Cat doors sliding glass doors can be heavy and very fragile, so make sure you take extra care. Be sure to insert the bottom first, then work your way upward.

Insert glass stops

Next, reinsert those four glass stops that you set aside earlier. Use a soft mallet to tap these back into place.

Replace door sash

The final step is to replace the door sash. Be sure to insert the top of the door first before lifting the panel over the bottom lip. And that’s it!

Pet Door Products makes life easier for pet owners by providing a cat door window insert that fits right into existing sash windows. This means that pet owners can begin enjoying the benefits of their dogs and cats being able to let themselves out at all times of the day and night.

If you’re searching for the best sliding glass pet door company in all of Utah, then Pet Door Products is the place for you. We specialize in easy-to-install, energy efficient pet doors for your beloved cats and dogs. Call us today for more info!

Flap Sizes

Pet Door Flap Sizes graphic - Cat Door Panel Window Insert - Pet Door Products in Salt Lake City, Utah

Cat Door Window Insert Size Chart

Flap SizeFlap DimensionHeight To Raise Window
Small6″ w x 11″ h18 1/2″
Medium8″ w x 15″ h22 1/2″
Large10″ w x 19″ h26 1/2″
Extra Large12″ w x 23″ h30 1/2″

Window Pet Door Adjustment Ranges Include

22″ – 25″25″ – 28″28″ – 31″31″ – 34″34″ – 37″37″ – 40″40″ – 43″

Warranty

Important Note

All Extra Large and 22″-25″ adjustment range sales are final, no return. Please simulate the opening (open the window, use duct tape to simulate the opening) to be sure this size is appropriate before ordering.

Our normal 90-day return policy and 15-year warranty applies to Small, Medium and Large sizes as well as all other adjustment ranges

There has been lots of discussion as to why the Endura Flap is such a high performing pet door, but for engineers or those looking for some more technical information here is a 74-page dog door energy efficiency study showing what makes it so special.

Endura Flap Pet Door Warranty

To the original purchaser, Endura Flap Pet Doors warrants this product and all of its component parts to be free of defects in materials or workmanship for a period of 15 years from the date of delivery to the customer.

Endura Flap assemblies employed in commercial kennels are warranted for a period of 3 years.

Damage caused by accident, improper installation, abuse or normal wear, including damage by pets or glass breakage is specifically excluded from this warranty. Defective materials returned to Endura Flap Pet Doors together with proof of purchase, will be repaired or replaced and returned to the customer free of charge.

Features

Popular Cat Flap Window Insert Features Include…

  • Highly insulating flap with a complete magnetic seal, designed to stay closed in winds up to 50mph. Flap is made out of a polyolefin-based polymer which can keep your home comfortable in temperatures between -40 and 110 degrees fahrenheit
  • Dual-pane, LoE glass gives you extra insulation for your home, pairs perfectly with newer energy efficient windows
  • Fits all vertical sliding sash window widths between 22”-43” with a track width of at least 1“
  • 4 sizes available to fit cats to large breed dogs (NOTE: Endura Flap medium, large and extra-large sizes are not recommended for use by kittens or tiny dogs)
  • 3 color options including white, satin, and bronze (very dark brown)
  • Includes a draft sstopper and weatherstripping for extra insulation and weather resistance
  • Can be installed and removed in seconds due to the spring loaded design, no tools required
  • 90 day return policy for Small, Medium, and Large sizes as well as all adjustment ranges besides 22”-25”
  • 15 year warranty for all pet doors
  • 100% made in the USA

Replacement Parts and Accessories

  • Replacement Flap
  • Locking Cover
  • Height Extension
  • Weatherstripping
  • Draftstopper
  • Installation Kit

FAQ

Where to Buy Cat Doors Window Insert?

We’d love for you to buy your cat door window insert from us! And we work hard for your business, by offering you:

  • Our 90-day return period, covering cat door window inserts in all size adjustment ranges other than 22” – 25”
  • A 15-year warranty on all our pet doors
  • Materials made 100% in the USA
  • Window inserts built to keep the cold or heat from entering your home. As compared with the thinner inserts on the market, you’ll experience the benefits of a strong glass-and-vinyl frame, with a weatherproof seal. You’ll reap a return on your investment over the seasons through energy savings
  • A relationship with a business that cares about the community. We give 5% of our proceeds to support the lifesaving work of the Humane Society of Utah. We continually spotlight a pet who needs a home. We pay the adoption fees, too!

Pet Door Products is also proud to sponsor Make-A-Wish, which grants the wishes of youngsters diagnosed with life-threatening medical conditions.

Which Size Cat Door Do I Need?

A cat will need to use a small or medium door. Measure your cat’s width and height. As shown on our measuring guide, the top of the door flap should be at least as high as the top of your cat’s shoulder. One of these two sizes will fit:

  • Small Cats: 6″ in width by 11″ in height.
  • Medium Cats: 8″ in width by 15″ in height.

Don’t hesitate to call us if you have any questions. Selecting the right size door will support your pet’s long-term comfort and well-being.

Do I Have Color Choices?

We offer three desirable color options:

  • White: a perfect match for many home windows.
  • Satin: a smooth silver, similar to the matte side of aluminum foil.
  • Bronze: a dark, rich brown hue.

The inserts have a discreet frame design, allowing the maximum area for viewing. A security panel slides smartly over the opening whenever you prefer not to allow pets to go in or out.

How Is the Cat Door Secured in My Window?

Energy-efficient window inserts from Pet Door Products fit right into your sliding glass door. No tools are needed to secure the removable insert with its advanced, spring-loaded design. By installing your window insert yourself, you’ll spend less with our DIY discount, and install it on your time—no coordination with Pet Door Pro required.

For the permanent option, we can replace your window with a new one. We’ll set up an appointment with you for the window replacement. Your new window will have a cat door built right into the glass.

Need help with your decision? Learn more!

Do You Ship?

Yes. We ship from Pet Door Products in Utah, straight to your home. Once you place your order, depending on the distance, your new cat door insert may arrive in just three days—and always within a week. Get a jump on the cold weather! Within days, you and your pet will have the freedom and comfort you’ve been wishing for.

Call or text us at (801) 973-8000 to arrange your immediate shipment.

11 reviews for Cat Door Panel Window Insert

  1. Jason –

    This is an awesome pet door! We are renters and cannot make changes to the home. This allows our cat to come and go, plus we get to take the door with us when we move.

  2. Richard –

    Pet Door was awesome to work with! We purchased the insert from out of state and they coordinated working with a local company to get it installed.

  3. Jelly –

    The product and service it’s very excellent. Cat love to go out anytime. Thank you

  4. Rojar –

    We love our Pet Door! The door itself is really great quality. Our Cats love the freedom to go in and out when they want and I love not having to go open the door every 5 minutes. I highly recommend working with Pet Door Products.

  5. Jini –

    Great service and help full staff. My cat also love it now my can go out easily.
    Thank you!

  6. Bud –

    Great service installing my door. The door seems to be excellent quality and the pet door is very well insulated. Cat loves the door and is in and out all day.

  7. Helena –

    My experience with them was exceptional from beginning to end.The install time for the new glass and dog door was 30 min or less and the installer was very fast and professional as well.The product itself is wonderful! My cats also adjusted to the new door very quickly which was great! We all just love it!

  8. Buddy –

    They did such an amazing job with outdoor! I spent and my cat loves the freedom of coming and going when she wants. Thank you Pet Door Product

  9. Katie –

    I love this door, so do my dogs! They love having the freedom to go outside and come inside when they want. Thank you Pet Door Products

  10. Gracey –

    We are so happy because my cat can easy to go out. Thank you

  11. Dave –

    I spent and my cat loves the freedom of coming and going when she wants. Thank you Pet Door Product.

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