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A door made of upvc with a cat flaps can help reduce draughts in your home. By keeping your pets in and keeping cold air out, you can reduce heating costs. While it is possible to install a cat flap on double glazing as well as upvc sealed units, it can be more challenging than with doors made of timber. This is due to the fact that upvc comes in various thicknesses. Benefits A cat flap placed on your door allows you to keep your pet inside or outsi