https://funsilo.date/wiki/How_....to_Install_a_UPVC_Do
Are fed up with having to climb up and down to open your doors to let your pets in? If you are, then a cat flap could be the answer. Pet-flap fitters can install them into any kind of door that is available, including uPVC or composite doors. They can also be fitted into certain types of walls. Security It is not uncommon to see cat flaps fitted into doors, however there are also many people who have them installed into windows or double glazed doors. The installation of a cat flap into glass can be a good option if y