https://pattern-wiki.win/wiki/....Replacement_UPVC_Doo
https://fakenews.win/wiki/Fitt....ing_Cat_Flap_in_UPVC
https://wizdomz.wiki/wiki/Cat_....Flap_Cover_For_Winte
Introduce your cat to the flap prior to the installation to allow them to become familiar with the size and shape. Unlock the flap and let your cat explore it from every angle. Ensure the cut-out is even and ensure that the cut-out is square and even. Mark the screw holes and align them with your cat flap opening. The distance between the edges should be the same. Preparation Installing a c