Early product versions used asbestos.
Weight of asbestos roof tiles.
Asbestos nominal width ft in weight cover per 100 width sq ft as ft laidlb 1 100 colour grey rooflights dead type unglazed 10 long 9 radius asbestos wikipedia the free encyclopedia.
Unlike the masonite woodruf roofing discussed below these delaminating cementious roofing tiles or cladding slates or shingles are a cementious material reinforced with fibres.
Weight calculator for roofing materials.
Roofing asphalt shingles 2 5psf wood shakes 3 0psf roll roofing 1 0psf asphalt shingles approx 1 4 2 0psf cement asbestos shingles 3 8 4 0psf clay tile add 10psf for mortar 9 0psf ludowici 10 0psf roman 12 0psf slate 1 4 10 0psf spanish 19 0psf wood 1 3 0psf cement tile add 6psf for mortar 10 0psf.
Clay tile 10 8 lb m ft 2 52 7 kg m 2 asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2.
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Asbestos sheeting was originally introduced as a lightweight alternative to commercial slate and tile roofing.
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However these roof tiles were badly worn over many areas of the roof as we show at page top and below.
Turnall trafford tile asbestos cement roofing and cladding contd.