https://sciencewiki.science/wi....ki/Cat_Flap_Double_G
A upvc panel that has an animal flap can help reduce the amount of draughts that your home experiences. You can save money by keeping your pets inside and the cold air outside. It is possible to install cat flaps into both upvc panels and double glazing glass sealed units, however it is more difficult than doors made of timber. This is due to the fact that upvc comes in different thicknesses. Benefits A cat flap attached to your door is a fantastic way of keeping your pet in or out of the house while allowing visitors in. It also