Weight Of Lead Roof

None asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 asphalt shingle or asphalt fiberglass composite shingle 2 7 lb m ft 2 13 2 kg m 2.

Weight of lead roof.

Pipe sizes 2 1 4 to 6 3 4 call us. The weight of roofing constructions above the truss rafter may be estimated with the calculator below. On a low pitch roof where the lead isn t free to move it is more likely to buckle on expansion or stretch as it contracts. Mars metal provides sheet lead conforming to federal qq l 201f and qq l 171e and astm b 29 and b 749.

Pure lead products maunufactures quality 2 2 5 3 and 4 pound crimped lead roof flashings. Another factor of meeting the standard is that the thickness of roofing lead may only have 5 variance across its entire length. When the lead rests directly onto sawn timber on a steeply pitched roof and non resinous timber has been used underlay may not be necessary. Blm s weight chart provides the theory weights of standard rolls of rolled lead sheet.

To minimise this all rolled lead is manufactured to meet bs en 12588 with different lead codes thicknesses having different applications and weight. Made from 98 recyclable material sheet lead is the most malleable of common metals and can be easily shaped formed bend and cut to suit a variety of applications including lead roofing and flashing.