https://algowiki.win/wiki/Post....:Replacement_UPVC_Do
http://brewwiki.win/wiki/Post:....Cat_Flap_Installatio
It can be difficult to install the flap for your cat however, with the proper instructions it's not that hard. First, decide how high you want the flap to be (on average the belly height). Then, mark this area on your door, and use the template included to help you drill. If you have a kitten that is still a baby then gently prop the door slightly open and allow it to walk through. Reward the kitten every time it passes. Measure the Door A cat flap is