The U Value indicates how good materials are at retaining heat, usually applied to walls, windows or doors. The lower the U Value the better the thermal performance will be. So if you have some insulation in your walls you will want to achieve a U Value as close to zero as possible. Knowing the
If you are fed up with wiping condensation from your conservatory windows, then this article is for you! Why is there condensation? Just so we are all on the same page; the condensation that forms on the inside of conservatory windows is a result of water vapour in the air, cooling as it comes into