The Rooflight Co Ltd provide a wide range of rooflights, roof windows, skylights and roof lanterns. Manufactured in Steel, products include frameless rooflights, octagonal rooflights, pyramid rooflights and purpose made roof lanterns. The full range of steel rooflights, steel roof windows, steel skylights and roof lanterns can be accessed through our web site.

National Domelight Company supply an extensive range of glazed roof lights, polycarbonate roof lights, and automatic roof ventilation hatches. Other products included skylights, domed roof lights, pyramid roof lights and bespoke fabrication of all types of glass and polycarbonate roof lights. Our range of roof access hatches provide roof access and smoke ventilation features. Full technical information, guides and useful advice is available through our comprehensive website.

Icopal is a UK manufacturer of world class waterproofing and acoustic products. Our range of products cover all areas, from the roof to the basement. Our leading UK divisions are Anderson Monarflex Limited, manufacturers of construction and roofing membranes including built-up flat roofing, pitched roofing, rooflights and roof windows. Enviromentally friendly green roofs and solar energy roofing membranes. Anderson Monarflex supply structural damp proofing and waterproofing membranes, vapour control membranes, tanking membranes and protection sheeting. Monarfloor Acoustic Systems are manufacturers of a market leading range of acoustic flooring systems for either wood, steel, or concrete flooring. Monarflex Geomembranes manufacture and install a range of ground membranes from gas and radon control membranes to root barrier and containment linings.

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Twinfix are leading suppliers of glazing bars, Glazed Canopies and fixing accessories specifically designed for installing multiwall polycarbonate sheet glazing and cladding fixings. Twinfix also supply ranges of multiwall polycarbonate and solid polycarbonate sheets, roof domes and barrel vaults. We also design and manufacture aluminium framed shelters, glazed covered walkways and smoking shelters.

Alumasc Exterior Building Products are a major UK supplier of premium construction products and brands. Alumasc Rainwater Systems are a leading manufacturer of BBA certified architectural aluminium rainwater goods. A complete range of aluminium gutters, downpipes and integrated fascia soffits. Alumasc Rainwater also supply cast iron rainwater pipes and gutters for historic and restoration sites, with bespoke designs available to match or replace existing installations. Alumasc are suppliers of Harmer drainage systems that include roof outlets and below ground drainage. For internal drainage, Harmer provide cast iron soil and waste systems, floor drains, shower drains and wetrooms. Alumasc also provide world class BBA certified waterproofing and green roofing systems. Included in the range are Derbigum flat roofing membranes, Hydrotech structural waterproofing and ZinCo green roofs. Also BBA Certified is Alumasc's specialist thermally efficient, insulated render systems which utilise a wide range of silicone, mineral and polymer-modified decorative render finishes.