https://pediascape.science/wik....i/Cat_Flap_Installat
Cat and dog flaps that are installed in double-glazed units make it easy for your pets to come and go whenever they want. These are also great to keep your pet safe while you're away. It is possible to install a cat flap inside an existing uPVC panel or double glazing glass sealed unit, however you'll need a replacement piece with a premade hole. This can be done by a glazier equipped with the appropriate equipment and experience. Easy to install Having a cat flap in your home is a fantastic way to give your pet access to the o