The height of the pet door should be 2 inches taller than the measurement between the top of your pet s shoulders and the bottom of its chest see pictured.
How to install pet door in garage door.
Align the mark you made on your garage door s center with the center of your pet door.
Measure the width of your pet door and divide it by two marking the center of the door in the same way you did with your larger door.
Measure your pet s height from the bottom of his paw to the top of his shoulder blade.
Your garage door does include a number of safety features but these features were not designed to shut down operation of the door when a pet using a pet door.
This is especially true for outdoor cats as keeping your garage door cracked open in the evening encourages both robbers and vermin.
Before purchasing a new dog door or cat door consider the size.
Pet doors are sold in various sizes but the door must be large enough for the tallest and widest of your pets to fit through comfortably.
I would not install a pet door larger than 12 inches by 8 inches in a garage door to prevent a thief from kicking the pet door in and slipping in.
Step 2 measure measure where the top of the pet door opening will be.
Installing a door for your pet in your garage is a convenient and simple way to grant your pets the independence they want while keeping away unwanted critters from the rest of your house.
Also pay close attention to the profile of the selected pet door.
The bottom of the pet door should be at least two inches above the bottom of the garage door.
There s no guarantee that your door would automatically stop if it is accidentally engaged while a dog is using a pet door.
Use the square to draw perpendicular lines horizontally and vertically marking the upper corner for the pet door.
Trace the shape of your pet door onto your garage door.
Mark the spot with a pencil.
You will have limited clearance between the overhead door and the wall as it opens and closes.
Run a piece of masking tape across the garage door at this height.
Also there are sensors for both the inside and outside of the garage door that stop the doors movement should a pet move near.