https://sciencewiki.science/wi....ki/Fitting_a_Cat_Fla
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It is recommended to hire an expert to install a cat flap at your home. DIY projects usually result in poorly-fitted pet flaps that allow in draughts and lead to higher energy bills. SheffLOCK is able to put a cat flap on all kinds of doors, including wood, uPVC composite, glass and even external walls. It takes about two hours to install a cat flap. The cost of the pet flap A pet flap is an ideal option to let your cat move around as it pleases. If the flap is not fitte