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In modern buildings, flashing is intended to decrease water penetration at objects such as chimneys, vent pipes, walls, windows and door openings to make buildings more durable and to reduce indoor mold problems. Metal flashing materials include lead, aluminium, copper, [1] stainless steel, zinc alloy, and other materials.
A lead service line (LSL, also known as lead service pipe, [1] and lead connection pipe [2]) is a pipe made of lead which is used in potable water distribution to connect a water main to a user's premises. Lead exposure is a public health hazard as it causes developmental effects in fetuses, infants, and young children. It also has other health ...
In 1941, Flemm Lead was noted by the United States Department of Commerce as an "acceptor" of the voluntary commercial standard for lead pipes, proposed by the Lead Industries Association. [5] In 1943, the Red Cross awarded the Flemm Lead Company the American Red Cross Award for contributions to the 1943 American Red Cross War Fund. [6]
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President Joe Biden took a major step toward eliminating the national scourge of lead pipes, unveiling a new rule mandating the removal of all lead pipes within the next decade, in addition to $2. ...
DWV systems are vented directly through the building roof. Increasingly DWV pipe is ABS or PVC DWV-rated plastic pipe equipped with a flashing at the roof penetration to prevent rainwater from entering the buildings. Older structures may use asbestos, copper, iron, lead or clay pipes, in rough order of era of use.
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