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If you want to install a cat flap inside your home, it is recommended to work with an expert tradesperson. DIY projects typically result in poorly fitting pet flaps that could let in draughts or increase energy costs. SheffLOCK can be fitted as a cat flap in most kinds of doors, including wood composite, uPVC and glass doors as well as exterior walls. On average, it takes around 2 hours to install a cat flap. The cost of the pet flap A pet flap lets your cat to go and come whenever it wishes. However, if the flap is