https://www.openlearning.com/u/schneiderkenny-skpcj8/blog/CatFlapFittersNearMe https://telegra.ph/How-to-Train-Your-Cat-to-Use-a-Cat-Flap-10-02-3 https://articlescad.com/how-much-to-install-a-cat-flap-250489.html It is possible to install a cat flap into an upvc panel or double glazing sealed unit. The best option would be to install a new glass pane with an already-made hole. Follow the directions that should be provided with your cat flap kit, and follow them closely. Ensure that the shape drawn (be it a square or circle) is accurately represented on the template. Safety If you have a dog or cat and want to allow them access to the garden without leaving the door open, a microchip activated pet flap in your upvc door panel is a fantastic option. It will only allow your pet in, and prevent other animals and insects from getting inside. In addition, it will keep burglars out of your home through your door by locking out possible intruders. This kind of security feature is vital when you have children, elderly people or reside in an area susceptible to burglary. Fitting a cat flap into an solid uPVC door is relatively simple and can be accomplished by anyone who is comfortable using tools and has basic DIY skills. You can use a jigsaw cut the hole that you require however it is vital to ensure that the flap is large enough to accommodate your pet and that it is set at the correct height from both the inside and outside of the home. It is crucial to check with the manufacturer when your door is constructed of composite material before making any changes to ensure that you do not invalidate the warranty. Certain composite doors have raised decorative elements that are difficult to cut and special provisions may need to be created where these protrusions are found. It is also an excellent idea to apply some weatherproof sealant on the bare sections of timber that have been exposed after cutting, since this can help stop rainwater and moisture from getting into the wood