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Cat flaps allow your cats to come and go whenever they wish. If you want to ensure the security of your home, you need to install a flap that is lockable. SheffLOCK can assist you in this regard by locating an expert Tasker in fitting pet flaps into sliding doors. You can then be at ease knowing that you are secure within your home. Cost A cat flap can easily be incorporated into the sliding door to give your pet to go outside whenever they want. It can be put in place by a professional or you can do it