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If you're planning to put in a cat flap inside your home, it is best to employ a professional tradesperson. DIY projects often result in poorly-fitted pet flaps that could allow in draughts or raise the cost of energy. SheffLOCK can install a cat flap on most kinds of doors, including wood, glass, uPVC composites and even on external walls. It takes about 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 pleases. If the flap isn't properly installed, it could allow h