https://opensourcebridge.scien....ce/wiki/Cat_Flaps_Fo
If you are planning to install a cat flap in your home, it's recommended to hire an expert tradesperson. DIY projects often result in poorly fitting pet flaps that let in drafts or increase energy bills. SheffLOCK can be fitted as a cat flap on all types of doors including wood, uPVC, composite and glass doors as well as exterior walls. It takes about 2 hours to install the cat flap. Cost of the pet flap A pet flap is an ideal way to let your cat move around as it pleases. If the flap isn't installed correctly, it could a