https://squareblogs.net/lawbeg....gar77/cat-flap-cost-
https://blogfreely.net/needcor....d06/cat-flap-install
This double-flap, insulated cat flap offers good protection in different climates. It can be installed in wood, uPVC, glass, and steel doors. It is essential to have a door that is sealed tightly, especially during colder weather. It prevents warm air from being sucked out and cold air from entering and causing you to pay more energy costs. Wind Resistance By preventing cold air from entering your home and keeping warm air in the home, a cat flap cover keeps it w