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If you are planning to install a cat flap in your home, it is best to employ a professional tradesperson. DIY projects usually result in poorly-fitted pet flaps that can let in drafts or increase energy bills. SheffLOCK is able to put a cat flap on all kinds of doors, such as wood, glass, uPVC composite and even external walls. On average, it takes around 2 hours to install a cat flap. Cost of the pet flap A pet flap permits your cat to move around wh