https://kent-lowry-2.thoughtla....nes.net/cat-flap-ins
A door made of upvc that has a cat flaps can help reduce the amount of draughts that enter your home. By keeping your pets warm and cold air out you will save money on heating bills. While it is possible to install a cat flap on double glazing and upvc sealed units, it is more difficult than with timber doors. This is due to the fact that there are different thicknesses of Upvc. Benefits A cat flap installed on your door allows you to keep your pet inside or out of the home, while all