Follow the steps below to find the right door for your dog or cat. Have multiple pets who will use the door? Choose a door sized for your largest pet.
It can be difficult to find a pet door that will match your old one exactly. First, you'll need to measure the cutout hole in your door. Note that this is the cutout in the door, not the pet door frame. Next, pick a door that is closest in measurement.
You might need to cut the hole in your door a little bigger to accommodate a slightly larger new door. To replace it with a slightly smaller door instead, add additional pieces of wood to the inside of the hole.
Contact our Customer Care Center for help with selecting and installing a new door.
Your pet door has two major parts: the frame and the flap. The inner and outer parts of the frame fit together in the cutout to hold the flap in place. The flap is the part that covers the cut-out hole in the door, the part your pet goes through to use the door.
Please note that all measurements are approximate and prone to user error, so don't worry if you measure your door and your measurements aren't exactly the same as the dimensions given online or in your manual. Your door's dimensions will also change over time; doors expand and contract, and flaps may shrink or warp.
Outer Frame: The outer measurements of the door's frame.
Flap Opening: The measurement of the part of the door your pet goes through. This is not the measurement of the flap itself, but the space your pet has to go into. This is measured using the interior door frame.
Flap Size: The overall measurements of the door flap.
Cut-Out Size: The hole you cut in your door to install the door. After installation, you can get this measurement again by taking the pet door out.
You can find the dimensions for your door in your product manual and on product pages for individual doors in our online store.
Always use the Pet Door cutting template included in the package before cutting an opening in your door or wall. Radio Systems Corporation shall not be liable for any personal injuries or property damage as a result of not using the proper Pet Door template when installing a Pet Door.
Replacement flaps can be purchased through our Customer Care Centre. To ensure we send you the proper flap we will need to ask some questions about your door. Please be near the door so that you can respond to these questions and call our Customer Care Centre.
1800 786 608
Monday to Friday
08:30 - 17:00
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Customer service is at the heart of everything we do. We’re committed to giving you expert advice to ensure you always receive the very best.
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