https://www.openlearning.com/u..../rankinalbright-sko0
https://blogfreely.net/layerpe....ak4/how-to-train-you
A wall-to-wall cat flap is a great method to let your pets come and go as they please. However, you should be cautious not to put it too high on the wall. This could result in energy loss and also the possibility of burglars gaining access to your home. A gap in a cavity can be a challenge for future owners should you decide to sell your home. Glass cat doors are a safer choice. Easy to install A wall