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Dogs and cats come in all shapes and sizes, we recommend the following method for determining the right flap for your cat or dog.
- Measure the height of your pet from the tallest point of your pet's back to the ground in millimetres. The top of the flap should be at least 20 to 30mm higher than the tallest point of the body, usually the top of the shoulder, or bottom of the neck.
- Measure the width of your pet from the widest part usually from shoulder to shoulder in millimetres.
- Measure from the Underbelly of the pet to the ground.
- These three measurements should help you determine what flap size your pet will be comfortable using. All our door dimensions and sizes are located on our website
- Once you have decided on the right flap size, take the flap measurements - draw them on cardboard, cutout the flap and size it up against your pet (see if your pet will go through it)
You also need to keep in mind how high off the ground the pet door will be installed. This should be as low as possible for your pet to comfortably step through. Placing your cardboard cutout against the install area (glass pane, wall, or door) you will be able to gauge how high off the ground you plan to install your pet door; ensuring that your pet’s tallest point won’t be touching the top of the flap, and your pet’s underbelly passes through the flap without touching it.