UPVC or Unplasticized Polyvinyl Chloride, as a material, possesses small conductivity. Windows with uPVC frames are very easy to fabricate with double or triple glazing. This is what makes them perfect for Electrical power performance. This materials is heat-resistant and won't transfer temperature from within to exterior and vice versa. https://gunnerutmfx.blogdal.com/31212327/not-known-details-about-upvc-windows