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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 ...
1 Lead Flashing. 5 comments Toggle Lead Flashing subsection. 1.1 Lead contamination. 1.2 Lead flashing pics. 2 How is flashing made? 1 comment. Toggle the table of ...
Reglet detail. A reglet is found on the exterior of a building along a masonry wall, chimney or parapet that meets the roof. It is a groove cut within a mortar joint that receives counter-flashing meant to cover surface flashing used to deflect water infiltration. Reglet can also refer to the counter-flashing itself when it is applied on the ...
Copper belfry of St. Laurentius church, Bad Neuenahr-Ahrweiler Metals used for architectural purposes include lead, for water pipes, roofing, and windows; tin, formed into tinplate; zinc, copper and aluminium, in a range of applications including roofing and decoration; and iron, which has structural and other uses in the form of cast iron or wrought iron, or made into steel.
Other solutions involve working with lead. A groove approximately 25 mm (1 inch) deep is cut into the inside edge of the steps. A lead abutment flashing is inserted into this groove, called a chase or a raggle. The lead is laid over the end slate, which is raised by a tilting fillet.
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Flashing installed incorrectly can promote line corrosion and shorten the life of valley flashing, especially in acidic environments. The risk is most prevalent at the leading edge of shingles where the shingle edges rest on the copper flashing. [58] [59] Through-wall flashing diverts moisture that has entered the wall before it can cause damage.
The down-slope piece is called an apron, the sides receive step flashing and a cricket is used to divert water around the upper side of the chimney underneath the flashing. [ 6 ] Industrial chimneys are commonly referred to as flue-gas stacks and are generally external structures, as opposed to those built into the wall of a building.