https://zenwriting.net/wordcro....ss0/cat-flap-install
A cat flap for a door made of UPVC is a great option to let your cat move around whenever they want. It is a simple 3-step installation procedure and can be installed on wooden doors, glass doors or UPVC panels. This is an excellent option for pet owners who want to secure their pets and save money on energy. UPVC panels can resist moisture, heat and UV. Easy to install If you have a cat, you might want to consider installing a pet flap inside your glass door or window. This is a great option to ensure your pet's security