https://morphomics.science/wik....i/Cat_Flap_Installer
A popular option for homeowners, a composite door cat flap offers an unsecure entry point 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 changes can compromise its integrity and impact its thermal performance. Adding a cat flap to a composite door A cat flap allows your pet to come and leave the house without letting other cats or animals inside. It also can stop drafts,