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If you want to install an animal flap at your home, it is best to employ an expert tradesperson. DIY projects often result in poorly fitting pet flaps that allow in draughts or raise the cost of energy. SheffLOCK can be installed as the cat flap into all types of doors including wood composite, uPVC, composite, glass doors, as well as external walls. It takes about 2 hours to install a cat flap. Cost of the pet flap A pet flap is an ideal option to let your cat move around at will. If the flap is not fitted correctly, it can a