https://click4r.com/posts/g/18....073734/fitting-a-cat
Cat flaps for the door made of composite are a popular choice for homeowners. They offer a secure entrance for your pet. It also reduces the possibility of unwanted critters infiltrating your home. However, adding a cat flap to your composite door requires knowledge and knowledge of the door's structure. Any structural modifications can compromise its integrity, and affect its thermal performance. The addition of a cat flap the composite door A cat flap lets your pet leave and enter the house without allowing other cats or animals