Growing problem for

Copper is compatible with cedar fights, lead, cast iron. Copper gutters can be used as storm drains for concrete tiles. Copper cannot be used on a flat bitumen roof, where planting can lead to a high concentration of acid. Copper drains cannot be fixed with zinc, or aluminum fasteners, since copper will cause corrosion of another metal. With a growing awareness of environmental problems and a growing problem for the health and safety of builders during the construction and maintenance of buildings, copper-more than ever the most economically effective roofing material.

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