https://king-wifi.win/wiki/The...._Benefits_of_Cat_Fla
Double glazing can be equipped with dog and cat flaps to allow your pets to leave and come whenever they want. They are also great to keep your pet's attention while you're away. You can install a cat flap in an existing uPVC or double glazing sealed unit. But, you'll require a replacement part that has an opening that is pre-made. This can be done by a glazier equipped with the right equipment and training. Easy to install A cat flap is a great option to allow your pet to have access to the outdoors without having to open and close