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https://www.openlearning.com/u..../josephvelling-smeyk
It is best to hire an expert to install a cat flap inside your home. DIY projects often result in poorly-fitted pet flaps that allow in draughts or raise energy costs. SheffLOCK can fit a cat flap on all types of doors including wood, uPVC, composite and glass doors and even external walls. It takes about 2 hours on average to put in a new cat flap. Cost of the pet flap A pet flap is an ideal option to let your cat leave and come