OUR ROOFING STORY
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OUR ROOFING STORY www.gerardroofs.eu

AHI Roofing Limited is proud of its heritage as a supplier of premium roofing products for more than 50 years. Whatever your roofing needs - domestic or commercial, new or reroof, modern or traditional – a Gerard ® roof can provide the solution. With 5 distinctive profiles in a wide choice of colours, our aesthetically appealing and long lasting Gerard ® range of roofing products can fulfill all your design requirements and protect your property from the extremes of nature for many years. AHI Roofing Limited is the innovator in the area of coated, pressed metal roof tiles. We developed the...

innovations to meet individual market needs for premium, long lasting roofing products. AHI Roofing is the only steel roof tile manufacturer with evidence that its roofs outlast the performance warranty. We maintain a stringent programme of monitoring sample roofs in a variety of extreme climatic environments. This rigorous testing programme enables us to continually improve materials and manufacturing processes to further enhance the performance of our roofing products. AHI Roofing’s commitment to the quality of its products goes beyond the factory door. We provide specially designed...

Behind the sophisticated range of metal roofing tiles currently produced by AHI Roofing lies a fascinating story. It began in the early years of World War II, when linseed oil-based paints became impossible to obtain. The British Government asked the leading bituminous emulsion manufacturers to produce an alternative protective coating material for steel and corrugated iron structures that would also provide a camouflage effect. Industrial Chemists formulated an emulsion with the highest possible bitumen content, which provided a tough, waterproof membrane for steelwork. Throughout the war,...

1964 The ten-pan Harveytile is produced (5). 1967 The Decramastic profile undergoes a dramatic change, as a result of the development of a seven-pan tile that interlocks (6), giving complete tile-to-tile contact the entire length of the tile. This provides further strength and absolute weather security. The inclusion of a fungicide in the coating increases its resistance to moss and fungal growth. 1971 PVA, the first overglaze, is introduced to improve chip adhesion. This provides a much tougher finish, resulting in far less chip loss during installation and also enhances the appearance of...

1983 The release of Decrabond II, a new stone chip coated roofing tile with three layers of protective coating on the underside and five protective layers on the outer side. 1985 MRI in Malaysia commences the manufacture of Decrabond under licence. 1986 A seal coat over primer is introduced to improve coating adhesion and enhance anti-corrosion properties. 1989 The GERARD® operations worldwide (excluding the USA) are purchased, adding the GERARD® Tuffcoat (GERARD® Classic) profile to the product range. Manufacturing in the USA commences in a high-technology plant designed and built in New...