https://telegra.ph/Fitting-a-C....at-Flap-in-a-UPVC-Do
It might seem daunting to install the flap for your cat, but with the right guidelines, it's not all that difficult. First, decide how high you would like the flap to be (on average the belly height). Note this on the door, and use the template as a reference to drill. If you have a kitten, or a young kitten you can prop the door open a bit and gradually push it to enter. Reward the kitten each time it passes. Take a measurement of the door A cat flap lets your pet to move into and out of your home at its convenience. This wi