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It is recommended to hire an expert to install a cat flap in your home. DIY projects often result in poorly fitted pet flaps that allow in draughts or raise the cost of energy. SheffLOCK can be installed as the cat flap into all kinds of doors like wood composite, uPVC and glass doors and even external walls. It takes around 2 hours on average to install a new cat flap. Pet flaps cost money A pet flap permits your cat to come and go whenever it wishes. However, if the flap isn't correctly installed, it could