With 40 years of experience and 95% customer satisfaction, we supply and install Double Glazing, PVCU Windows & Doors, Conservatories, Fascias, Soffits and Gutters. Flat Roofing, Porches, Door Canopies, Block Driveways (Brick Weave etc.) and Garage Doors. Customer Satisfaction Zenith Staybrite achieves a consistent 95% customer satisfaction in regular customer satisfaction surveys. This high level of customer satisfaction is rare in the home improvement industry.BrandThe Zenith brand, has been in existence for over 40 years and despite the owners changing over the years has traded every day other than Christmas day and Boxing day since 1969.Zenith has installed over 2 million windows in its lifetime and today has sales of over 50,000 units per annum and a turnover of £30m, operating on the brand values of passion, professionalism and co-operation.