https://wifidb.science/wiki/Th....e_Benefits_of_Cat_Fl
A door made of upvc that has a cat flaps can help reduce the amount of draughts that enter your home. You can save money by keeping your pets inside and letting the cold air out. While it is possible to install a cat flap in double glazing and upvc sealed units, it can be more difficult than with timber doors. This is due to the fact that upvc comes in different thicknesses. Benefits A cat flap installed on your door will allow you to keep your pet inside or out of the house, while still allowing other people in. It also helps keep