Here at Window Installation Services Trade, we offer a wide range of supply only double glazing products. We have many years experience working within the double glazing industry and have built long lasting relationships with our trade customers. Our trusted trade company provides quality UPVC and aluminium trade windows, doors and conservatories. We offer supply only double glazing prices in Milton Keynes as well as delivered to the rest of the UK. We have designs to suit all types of property builds whether you are looking for UPVC or aluminium. Get in touch with us for more information by calling: 01908 921 199 Our supply only double glazing products are high quality, cost effective & always delivered on time. We provide a reliable service to builders & double glazers throughout the Milton Keynes and the rest of the country. Our high quality supply only windows and doors can be made to measure and designed to meet your specifications. Our attractive trade double glazing includes a wide choice of styles, colours and finishes to suit a range of tastes and budgets. WIS are proud suppliers of the revolutionary Liniar profile system. When you choose our trade double glazing products you will benefit from highly engineered, British manufactured energy efficient UPVC profiles. Environmentally friendly, the Liniar profile is 100% lead free and made with from fully recyclable materials. This means all our UPVC Liniar trade double glazing meets EU and UK legislation ahead of time, making it an eco-friendly product. The ground breaking profile system from Liniar features multi-chambered technology for outstanding levels of thermal insulation. A+ rated, our Liniar windows and doors are capable of achieving the very highest levels of energy efficiency.