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A favorite choice for homeowners A composite door cat flap provides an easy entry point for your pet. It also reduces the likelihood that unwanted animals will gain access to your home. But adding a cat flap your composite door requires experience and understanding of the door's composition. Any structural changes can compromise its strength and impact its thermal performance. Adding a cat flap to the composite door A cat flap allows your pet to move around the house without letting in other cats or animals. It can also reduce