https://dokuwiki.stream/wiki/A....dding_a_Composite_Do
You'll need to hire a cat flap installer in order to install a pet door inside your uPVC or glass panel. They can also help with more sophisticated models such as microchip pet flaps. DIY attempts to install a pet flap can often result in problems such as draughts or low energy efficiency. Professional tradespeople can spare you from the stress and expense of dealing with these problems. Cost There are a number of elements that could affect the price of installing a cat flap. The type of flap you choose, the surface you want