https://world-news.wiki/wiki/C....at_Flap_Installers_N
A door made of upvc with a cat flaps can help lessen the draughts inside your home. By keeping your pets in and out of cold air, you can save money on heating bills. Although it is possible to install a cat flap into both upvc and double glazing sealed units, it can be more difficult than with doors made of wood. This is due to different thicknesses of upvc. Benefits Having a cat flap fitted to your door is a great way to keep your pet safe or out of the home while allowing visitors inside. It also keeps out stray cats and other