ProVia entry doors, patio doors and sidelights are available with optional internal blinds that prevent excessive sun exposure and keep rooms cooler. Our internal blinds are constructed with sturdy white aluminum and enclosed in tempered safety glass and come with a 10-year warranty.
Colin's Sash Windows is best known for disrupting the upvc sash window market in the UK in 2014 by introducing affordable fixed prices for upvc sash windows in the UK. Before this they were generally only available at very high prices through window installers. Today they are market leaders in cheaper alternatives to the renowned steel Crittall interior and exterior windows...