Sliding Door Inserts

No measuring,
no cutting

Our door panels fit easily into your existing sliding glass door.

Shop Sliding Door Inserts

Enjoy the Freedom of a Pet Door

Sliding door inserts are an excellent way to see if a pet door is right for your pet and your lifestyle. Because there’s no cutting, there’s no commitment; if you or your pets don’t like the door, simply remove it and return it. (See our return policy)

  • Independence for you and your pet
  • Save effort letting in/out
  • No more planning your schedule around pet potty breaks
  • Never clean up another accident
  • Stops barking, scratching, whining at the door
Shop Now

Choose the Right Pet Door

  • Measure the height of your sliding glass door. Our door inserts fit patio doors 76 ¾ -  81 inches tall or from 93 - 96 inches tall.
  • Select the color you want for your pet door. Our sliding door inserts come in bronze, satin, or white.
  • Measure each pet who will use the door to choose the right size of the flap opening.

Measuring Your Pet

Doors for Multiple Pets

Your pets can share the same pet door

Many of our pet doors can be used with small and large dogs and cats. Some door flaps are too heavy for cats or small dogs to use. Measure each pet who will use the door and check the weight and height recommendations for the pet door.

Installing a Sliding Door Insert

No cutting required

Pet door inserts install in minutes, with no cutting required, and give you years of freedom and convenience. Installing a pet door is easy with a little do-it-yourself knowledge.

  1. Measure the height
  2. Slide the insert into the sliding door frame
  3. Lock the height adjuster and secure the insert
  4. Install the lock, glass sweep, and weather stripping

Tools you might need: Drill, Drill bits, Screwdriver, Tape measure, Tape, Pencil, Scissors, Patio Panel Kit (recessed doors only)

What’s in the Box

Included with each pet door:

  • Installation guide
  • Door frame with flap(s)
  • Closing panel
  • Glass sweep
  • Foam weather stripping
  • Latch assembly
  • Other necessary parts (bolts, screws, washers, nuts, etc.)
Shop Now

Door Flaps & Installation Kits

Shop Now

  Free Shipping

For orders over $50

Subtotal must be at least $50 before tax and shipping fees.
Orders under $50 ship for $4.95.

Satisfaction Guaranteed

If you're not 100% satisfied
with your purchase, return it
within 30 days for a refund.

Solution Finder

Check out more options to help you find the right solution for you and your pet.

Trusted Support

Call Customer Care for live help:


Mon. - Fri. 8 am - 8pm
Sat. 9 am - 5pm EST
  • Free phone support
  • Online help database
  • Step-by-step manuals


From Safe Pets & Happy Owners

“This door is sturdy and functions perfectly, locking and unlocking based on my cat's proximity. And it keeps the neighbor's cat out!” ”
- Manda