Through the responsible development of innovative and sustainable building products, CertainTeed has helped shape the building products industry for more than 100 years. Founded in 1904 as General Roofing Manufacturing Company, the firm's slogan "Quality Made Certain, Satisfaction Guaranteed," quickly inspired the name CertainTeed. Today, CertainTeed® is North America’s leading brand of exterior and interior building products, including roofing, siding, windows, fence, decking, railing, trim, foundations, pipe, insulation, gypsum, ceilings and access covers.
The VELUX Group creates better living environments with daylight and fresh air through the roof. VELUX product programme contains a wide range of roof windows and skylights, along with solutions for flat roofs. In addition, the VELUX Group offers many types of decoration and sun screening, roller shutters, installation products, products for remote control and thermal solar panels for installation in roofs. The VELUX Group, which has manufacturing companies in 11 countries and sales companies in just under 40 countries, is one of the strongest brands in the global building materials sector and its products are sold in most parts of the world.
"They are outstanding. They know their business, they're very professional, and I would happily recommend them to family and friends." - Edith B.
"They were professional and accommodating and they did a great job. " - Adil C.