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This material is usually produced in sheets of a certain format — from 1280×410 mm. This form of release is considered very economical, first of all, due to the simplicity of laying. In addition, the dimensions of the sheet themselves help to significantly reduce the waste. And finally, the flexible metal base of such a tile allows you to use it for the roofs of the most complex geometry. Another article of savings is the possibility of laying composite tiles on top of old roofing material, which is especially relevant for buildings that need large -scale repair or reconstruction.