Hazlemere Commercial windows and doors, are one of the largest users of aluminium Sapa Building Systems products in the South of England, they also specialise in thermally efficient double glazed roof glazing, curtain walling, commercial entrance doors and ground floor treatment systems. As independent double glazing manufacturers Hazlemere Commercial offers a range of aluminium profiles from various system houses including primarily AluK, Reynaers and Sapa. In addition they supply and fit UPVC profiles such as Rehau and Synseal. Hazlemere Commercial’s wide product range is mostly fabricated to specific client requirements in their own unencumbered factory. This, together with their specialised in-house CAD software, enables them to offer a highly competitive solution to everything from basic window refurbishment to highly complex design projects. In particular, they are proud of their in-house expertise that enables them to meet client specifications involving complex performance requirements covering wind loading, thermal efficiency, ventilation and solar gain.