The Door Finder Guide

1. Getting the Right Size

Measuring your pet will help to determine the proper PlexiDor size and installation height.

dog width Door opening should be 2" above pets back
back height measurement
Width Height

2. Installation Height

Installing your PlexiDor Pet Door at the correct installation height will ensure the door is comfortable for your pet to use. Stepping up and through the door is best.
Bottom edge of frame profile_sm profile_m profile_l profile_xl
to floor
Extra large
These measurements are a guide only, make sure the pet door is installed so that the opening is at least 2″ above the pet’s back. There is only one size for electronic doors, you will need to estimate based on pet size.

Full Measurements

IMPORTANT: Install the dog door so that the finished dog opening height is approximately two inches (2”) taller than the dog’s back.
Install door at the correct installation height for your pet's breed

3. PlexiDor Size Chart

Refer to the PlexiDor Size Chart shown below to determine the size pet door you require. Once you know the correct size for your pet, be sure to review the installation information. If you have any questions please call 1-800-749-9609 FREE for assistance.
Need a printout?

To view the complete chart, please access this page with a larger device or download the PDF.

Size Chart Header
PlexiDor Size
Pet Weight
Breed Size Example
Type of Installation
Opening for Pet
Installation Cut Hole
Overall Dimensions
Up to 9 lbs (Dog) 24 lbs (Cat)
Cats, Chihuhuas, Pomeranians, Papillons, Yorkies, maltese and Japanese Chins
Door Series Wall Series
6 1/2" x 7 1/4"
8 3/4" x 8 5/8" 8 3/8" x 9 5/8"†
9 7/8" x 9 7/8" (Door Series) 10 3/8" x 11 7/8" (Wall Series)
Up to 40 lbs
Poodles, Corgis, Dachshunds, Beagles, Pekingese, Shelties, Schnauzers, Cocker Spaniels and most Terriers
Door Series Wall Series
9" x12"
11 1/2" x 13 5/8" 11 7/8" x 14 3/4"†
13 3/4" x 15 1/4" (Door Series) 14 3/8" x 17 3/8" (Wall Series)
Up to 100 lbs
Labradors, German Shepherds, Golden Retrievers, Boxers, Collies, Setters, Bulldogs, Pointers and Dobermans
Door Series Wall Series
11 3/4" x 16"
14 1/4" x 17 5/8" 14 3/8" x 18 3/8"
16 1/2" x 19 1/4" (Door Series) 16 1/2" x 20 1/2" (Wall Series)
Extra LargeXL
Up to 220 lbs
Great Danes, St. Bernards, Rottweiler, Old English Sheepdogs, Newfoundlands, Irish Wolfhounds and Great Pyrenees
Door Series Wall Series
15 3/4" x 23 5/8" 15 1/4" x 23 5/8"
18 1/8" x 25 1/4" 18 1/2" x 26 1/4"†
20 1/2" x 26 3/4" (Door Series) 21 1/8" x 28 7/8" (Wall Series)
Up to 125 lbs
Large breed examples as listed including Malamutes, Weimaraners, Rhodesian Ridgebacks and all Cats
Door Series Wall Series
12 5/8" x 19 5/8"
14 1/4" x 21 3/8" 14 1/4" x 23"†
17 1/8" x 54 5/8" (Door Series) 17 1/8" x 54 5/8" (Wall Series)
† Note: There are two dimensions for the Wall Series cut hole, interior and exterior. Read the installation instructions carefully before cutting. ‡ Dimensions listed in chart are Width by Height.

4. Comparison Chart

Review the comparison chart below for the Door Series, Wall Series and Electronic Series PlexiDor Dog Doors.

PlexiDor Dog Door Comparison Chart Door
10 Year Warranty yes yes
5 Year Warranty yes
Energy Efficient yes yes yes
Lock & Key yes yes **
Security Plate yes* yes* **
RFID Security yes
Small & Medium yes yes
Large yes yes yes
Extra Large yes yes
Colors color-white

* Small comes with a 4-way lock but no security plate.

** When inactive, the steel panel acts as a security door.

5. Color Choices

White, silver and bronze are the three color choices available PlexiDor offers three elegant color choices to compliment the decor of your home. Choose from White, Silver or Bronze. Silver frames feature an anodized finish. White and Bronze frames feature a baked-on powder coating for increased durability, similar to the appliances in your home. A PlexiDor Pet Door is by far the most attractive pet door you will ever install in your home.
The color choices for our finishes will integrate perfectly into your home!
  • The white finish highlights common household appliances as well as most baseboards and trims and blends with most traditional decors.
  • The silver finish coordinates with newer stainless-steel appliances and looks great in a modern setting.
  • The bronze finish works well with darker toned furniture and accessories by adding an updated feel to the room.
A baked-on powder coated finish is far more durable than conventional paint.  Powder coated surfaces are more resistant to chipping,  scratching, fading, and wearing than other finishes.

Our Features

Replacement flaps are the biggest expense of low quality vinyl flap doors. PlexiDor saloon style panels will never shrink, fade or crack. Each panel is manufactured to withstand damage from extreme temperatures, UV / IR sunlight and heavy impact. The panels open and close quietly without banging. PlexiDor is the least expensive pet door to own over its lifetime.

No Replacement Flaps

PlexiDor Pet Doors are designed to help save energy. Each panel is lined with industrial grade weather seal around all four edges to reduce air conditioning and heat loss. Whether you live in the hot desert climate of Arizona or in the frigid cold of Alaska, a PlexiDor will save you money.

Energy Efficiency

The door, wall, and glass series come with a cylinder lock ‐ simply turn the key to lock the rigid panels into place at night. Medium and larger doors also come with a 20 gauge steel security plate that can only be removed from inside the home. The Electronic series only opens for the RFID keys, and when inactive its composite panel door serves as a security plate.

Security Features

Your family will enjoy the peace of mind that a PlexiDor Pet Door will provide, like freedom from the worry of damage to your floors and carpets. Your pet will love the freedom to relieve themselves anytime, either while you are away or at home involved with other tasks.

Peace of Mind

PlexiDor offers three elegant colors to compliment your home; Silver, White or Bronze. The frames are manufactured of anodized aluminum for a beautiful silver finish. The white and bronze frame finishes are baked on the surface for increased durability over plastic or paint.

Color Choices

Our doors' extreme durability is thanks to a specially developed K-9 Composite™ exclusive to the PlexiDor. These precision, shatter-resistant panels make it easy for your pet to enter and exit while providing maximum energy efficiency for your home.

K-9 Composite™


Locate your dealer to review choices or to install a PlexiDor!

Dog in map pin