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https://zenwriting.net/musicvo....ice5/cat-flap-instal
You're tired of having climb up to open the door for your pet. A cat flap may be the answer. Pet-flap installers can install them in any type of door, regardless of whether it is uPVC or composite. They can also fit them into a variety of wall types. Security Cat flaps are usually fitted to doors, but many install them in windows or double-glazed doors. If you don't have a wooden wall or door, hav