uch greater cover-ing surface. One ton contains about 250 gallons asagainst 166 gallons to one ton of coal tar. For allwaterproofing work, such as foundations, it requiresabout 30 pounds to the square xnd for recoatmgroofs about 40 pounds to the square. When meltedthis Asphalt can be easily…
Roofing · Metal roof panels · Metal shingles · Wall panels · Steel siding · Roll roofing · Sheet metal roofing · Manufactured gutters and downspouts · Board fireproofing
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![An illustration from Io. Bap. Portae Neopolitani de distillatione lib. IX : quibus certa methodo, multipliciq[ue] artificio, penitioribus naturae arcanis detectis, cuius libet mixti in propria elementa resolutio, perfectè docetur (1608)](https://img.insideoutlibrary.com/img/200/ia-iobapportaeneopo00port-153-153.webp)
