https://trade-britanica.trade/....wiki/Cat_Flap_Double
If you want to install a pet flap in your uPVC door or glass panel, you're going to need the services of an expert cat flap fitter. They can also assist you with more sophisticated models, like microchip pet flaps. DIY efforts to put in a pet flap often fail and lead to issues such as the possibility of draughts or low energy efficiency. A professional tradesperson can spare you the headache and expense of tackling these problems. Cost There are a variety of factors that affect the price of installing a cat flap. The kind of fl