https://www.openlearning.com/u..../haashelbo-slzzdk/bl
and dog flaps installed with double-glazed doors make it easy for your pets to go and come whenever they want. They also help in keeping an eye on your pet whilst you are away from home. It is possible to put a cat flap inside an existing uPVC panel or double glazing glass sealed unit, but you'll need to replace the piece with a hole that is pre-made. This can be accomplished by a glazier who has the appropriate equipment and experience. Easy to install Installing a cat flap inside your home is a great way to g