SMELL IT.Split the sample onthe edge if you can,and .in doing so noticethe dense black satu-ration and smell it.Notice that there isno smell of tar. Wenever use a single dropof coal tar in this roof-ing. We use only thehigher grades of asphalt. THE FIRE TEST. PREVENTS OTHER BUILDINGS FROMGOING UP…
roofing -- catalogs, Division 07, Division 09 · Asphalt shingles · Linear metal ceilings · Tin ceilings, decorative metal · Asphalt roofing · Ceilings · Metal ceilings · Tin ceilings
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