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Lead-sheet covered roofs are not considered metal roofs today, but since lead bonds metallurgically (see solder) thin lead coatings on copper are very long-lasting. Lead-coated copper can be used when the appearance of exposed lead is desired or where copper-contaminated water runoff from bare copper alloys would ordinarily stain lighter ...
Common 50-50 tin-lead bar solder is often used for uncoated copper; 60-40 tin-lead solder is used for lead-coated copper. [61] Many lead-free solders are also acceptable. Adhesives can be used in certain applications. Relatively thin sheet alloys can be bonded to plywood or certain types of foam which act as rigid insulation.
The metals suited for this were lead, copper, zinc, iron and later steel. Tin was often used to coat iron and steel sheets to prevent it from rusting. [3] This tin-coated sheet metal was called "tinplate." Sheet metals appeared in the United States in the 1870s, being used for shingle roofing, stamped ornamental ceilings, and exterior façades.
In earlier days, birch bark was occasionally used as a flashing material. [7] Most flashing materials today are metal, plastic, rubber, or impregnated paper. [8]Metal flashing materials include lead, aluminium, copper, [1] stainless steel, zinc alloy, other architectural metals or a metal with a coating such as galvanized steel, lead-coated copper, anodized aluminium, terne-coated copper ...
Terne plate is a form of tinplate: a thin steel sheet coated with an alloy of lead and tin. The terne alloy was in the ratio of 10-20% tin and the remainder lead. The low tin content made it cheaper than other tinplates. Terne plate was used for tinsmithed sheet metal goods, such as storage vessels, jugs and funnels, particularly for industrial ...
A face reglet (also known as reglet-flashing) is counter-flashing that is typically made out of either copper or lead-coated copper. [2] It is applied on the surface of the wall or parapet and screwed into place, with additional sealant placed between the surface and the counter-flashing. [3]
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