https://scientific-programs.sc....ience/wiki/Fitting_C
If you want to install an animal flap at your home, it is best to work with an expert tradesperson. DIY projects typically result in poorly fitted pet flaps that could let in drafts or increase energy bills. SheffLOCK can install cat flaps on all kinds of doors, including wood, glass, uPVC composite and even exterior walls. It takes about 2 hours on average to put in the new cat flap. The cost of the pet flap A pet flap is an ideal way to let your cat leave and come whenever it wants. If the flap isn't fitted