Fitting a cat flap in the door will allow your pet come and go whenever it wants. Follow the steps below to discover how to trace the shape, cut it with a jigsaw/hole saw and install your cat's flap. If your cat's flap has a manual 4-Way lock, you can https://cat-flap-installation-nea55439.yomoblog.com/37054016/cat-flap-double-glazing