The stonechip is sized and applied to the roofing tile in such a way that we ensure excellent coverage of the basecoat. A range of colours based on mineral binder and mineral pigments selected for durability to water, UV and acid rain, provide both an attractive appearance of the roofing tile, and protection of the basecoat.
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Our secret sauce is the protective layer of aluminum-zinc (55% aluminum, 43,4% zinc and 1,6% silicon) on the steel body. It makes GERARD metallic roof tiles light, strong and corrosion resistant. We pioneered the use of Aluminum–Zinc in steel roof tiles and this means the way we make Gerard Roofs is unique.
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