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It is best to employ an expert to install a cat flap inside your home. DIY projects often result in poorly fitting pet flaps that could let in draughts or increase energy costs. SheffLOCK can install a cat flap on all kinds of doors, such as wood, glass, uPVC composite and even exterior walls. It takes approximately 2 hours on average to put in a new cat flap. Cost of pet flap A pet flap is a great method to allow your cat to come and go as it pleases. If the flap is not installed correctly, it could allow