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If you're planning to put in an animal flap at your home, it is recommended to hire an expert tradesperson. DIY projects typically result in poorly fitted pet flaps that allow in drafts and result in higher energy bills. SheffLOCK can be fitted as a cat flap on all kinds of doors like wood composite, uPVC and glass doors as well as exterior walls. It takes about two hours to install a cat flap. Cost of the pet flap A pet flap lets your cat to come and go whenever it pleases. However, if the flap isn't correctly inst