https://mozillabd.science/wiki..../Installing_a_Cat_Fl
If you are planning to install an animal flap at your home, it is best to hire a professional tradesperson. DIY projects typically result in a poorly-fitted pet flap, which can let in drafts and cause higher energy bills. SheffLOCK is able to install a cat flap on all types of doors, including wood, uPVC composite, glass and even exterior walls. It takes about 2 hours to put in a new cat flap. Pet flaps cost money A pet flap is a great way to let your cat leave and come whenever it wants. However, if the flap isn'