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A door made of upvc that has a cat flaps can help reduce the amount of draughts that enter your home. You can save money by keeping your pets inside and letting the cold air out. Although it is possible to install a cat flap into double glazing and upvc sealed units, it can be more challenging than with doors made of wood. This is because upvc is available in a variety of thicknesses. Benefits A cat flap placed on your door will allow you to keep your pet inside or out of the house, while still allowing other people in. It also keeps out any stray c