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Are you tired of having to climb up and down to open the door to let your pets in? If so, a cat flap could be the answer. Pet-flap fitters are able to install them into any kind of door, including uPVC or composite doors. They can also install them into certain types of walls. Security It is not uncommon to see cat flaps fitted to doors, but there are also a lot of people who have them incorporated into windows or double glazed doors. -based cat flap is a great option for those who don't want to cut through a wall o