A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Base of roofing is heavy felt made from rags on machine similar to that used in paper making; felt base is saturated with asphalt and then coated on both sides with more of same bituminous material; crushed slate granules and mica or talc usually are imbedded in asphalt coating to assist in giving waterproof, fire-resisting product.
Base of roofing is heavy felt made from rags on machine similar to that used in paper making; felt base is saturated with asphalt and then coated on both sides with more of same bituminous material; crushed slate granules and mica or talc usually are imbedded in asphalt coating to assist in giving waterproof, fire-resisting product.
Preparing asphalt roofing
Chem Met Eng
Nealey, J.B. (author)
1932
2 pages
Article (Journal)
English
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