https://wifidb.science/wiki/Adding_a_Composite_Door_Cat_Flap A cat flap made of UPVC is a great option to allow your cats to leave and come as they please. The installation process is a three-step process that can be done on glass doors, wooden doors panels or UPVC panels. It is a great choice for pet owners who want to keep their pets safe and save energy costs. UPVC panels can resist moisture, heat and UV. Easy to install If you have a cat you might want to think about installing a pet flap in your glass door or window. This is a great method to ensure your pet's safety while you are away. There are many different designs to pick from. Some even come with magnetic seals for added security. You can also choose from a wide range of finishes that match your home's style. Certain products are accredited by Sure Petcare Ltd and Pet Tek Ltd and PetTek Ltd, giving you peace of mind they've been installed properly. The replacement door panel made of upvc is a great option to add a cat flap. This material is strong long-lasting, durable, and durable. It requires little maintenance. It is also simple to cut and put in. This makes it a great choice for those not able to pay the high price of installing a double-glazed door. Many people are hesitant to attempt fitting a cat flap themselves because they fear damaging their door however, with a little knowledge, the job is actually very straightforward. First, you need to measure the height of your pet from their bottom belly. This is the minimum height that you need to cut into the door panel. Then, mark the center of the flat surface at the bottom of the door panel with an x. Then using a fine-toothed handheld handsaw or jigsaw, make the hole you need in the panel. Make sure that you use the correct kind of saw for this type of work. Remember to'measure twice and cut once'. A circular hole is much better than a square hole, since it is less likely to cause glass to crack later on. You can always hire a professional glazier if