Based in St Helens, Merseyside, our business has grown to become a leading window fabricator of the high specification VEKA uPVC and Smart Systems aluminium profiles and has earned an enviable reputation for customer service. Today, Qualplas’s manufacturing activity is complimented by its Major Stockist and Distributor status of roofline, rainwater and ancillary products from brands including Brett Martin, Freefoam and Soudal.