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If you're planning to put in an animal flap at your home, it's recommended to hire a professional tradesperson. DIY projects typically result in a poorly-fitted pet flap that allow in draughts and lead to higher energy bills. SheffLOCK can be installed as a cat flap on all types of doors including wood composite, uPVC, composite, glass doors as well as exterior walls. On average, it takes around 2 hours to install the cat flap. The cost of the pet flap A pet flap allows your cat to come and go whenever it wants. Howev