Are uPVC Windows Truly Thermally Broken?
One of the key features of uPVC windows is the frame’s air chamber system. These profiles typically have four internal and four external chambers, preventing heat transfer by trapping air inside. This multi-chamber design helps regulate indoor temperatures by reducing winter heat loss and minimising summer heat gain. It also enhances sound insulation, making uPVC… Continue reading Are uPVC Windows Truly Thermally Broken?