https://securityholes.science/....wiki/Fit_a_Cat_Flap_
The incorporation of a cat flap into your bifold doors will provide numerous benefits for both you and your pet. It can also help prevent extreme cold or hot weather from entering your home. The first step is to measure your pet's size to determine the size of the flap you'll need. This will enable you to design an opening for the flap that is of the right size. Outdoor Access While installing a cat flap in the back of your house isn't a task for a novice, even those with a little DIY skills can usually do it. This