http://nutris.net/members/chequesarah2/activity/1936713/ If you are planning to install a cat flap inside your home, it is recommended to hire a professional tradesperson. DIY projects typically result in poorly fitted pet flaps, which can let in drafts and cause more energy costs. SheffLOCK can be fitted as the cat flap into all kinds of doors, including wood composite, uPVC and glass doors as well as exterior walls. It takes around 2 hours to put up a new cat flap. Cost of pet flap A pet flap lets your cat to go and come whenever it pleases. If the flap isn't fitted correctly, it can let heat escape from your home, and allow other animals inside. It's therefore recommended to install a motion sensor outdoor security light that is attached to your pet's flap, to ensure your home is secure. You can find a wide range of pet flaps, with different dimensions and features. They include a traditional two-way door that lets your pet move between the two sides at will and magnetic pet flaps that opens when your pet comes close it, and a microchip-equipped cat flap that can read the chip on the collar of your pet. Cat flaps are available at different prices, so shop around to find the best deal. You can ensure that your pet flap will last as long as it can by cleaning it regularly, and keeping it free of fur and debris. You can also install locks to the door handle to prevent burglars from gaining access to the cat flap. You can also add a motion sensor outdoor security light that is more efficient than an infrared detector. It will notify you of any movements in the vicinity of the flap. Professional tradespeople are able to install a cat flap in any door, including wood, uPVC composite and glass. If they wish they can also put it in an external wall. Many homeowners attempt to save money by doing the work themselves. However, this could be costly. If you make the wrong cuts the cat flap could not be able to fit properly. It will also leak rain and draughts into your home.