Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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... the manufacturing , design , and construction segments of the building industry standards organizations , officials responsible for building codes , and scientists and engineers concerned with the properties of building materials .
... the manufacturing , design , and construction segments of the building industry standards organizations , officials responsible for building codes , and scientists and engineers concerned with the properties of building materials .
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... Greenfeld Research Associate Asphalt Roofing Manufacturers Association * * ( Formerly Asphalt Roofing Industry Bureau ) Building Research Division Institute for Applied Technology National Bureau of Standards Washington , D.C. 20234 ...
... Greenfeld Research Associate Asphalt Roofing Manufacturers Association * * ( Formerly Asphalt Roofing Industry Bureau ) Building Research Division Institute for Applied Technology National Bureau of Standards Washington , D.C. 20234 ...
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1 Formerly the Asphalt Roofing Industry Bureau . Figures in brackets indicate the literature references at the end of this paper . 2. Experimental Details 2.1 . Types of Specimens Three types of specimens were included in this study .
1 Formerly the Asphalt Roofing Industry Bureau . Figures in brackets indicate the literature references at the end of this paper . 2. Experimental Details 2.1 . Types of Specimens Three types of specimens were included in this study .
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Felt - Base Specimens Within 24 hr after their preparation the felt - base specimens , both smooth and granule surfaced , were exposed outdoors on the roof of the Industrial Building at the former NBS Washington site , facing due south ...
Felt - Base Specimens Within 24 hr after their preparation the felt - base specimens , both smooth and granule surfaced , were exposed outdoors on the roof of the Industrial Building at the former NBS Washington site , facing due south ...
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110 ) Manual of Test Procedures for Roofing Granules , Asphalt Roofing Industry Bureau , ( 1956 ) . 15 US GOVERNMENT PRINTING OFFICE : 1969 0-353-127 U.S. DEPARTMENT OF COMMERCE WASHINGTON , D.C. 20230 OFFICIAL BUSINESS.
110 ) Manual of Test Procedures for Roofing Granules , Asphalt Roofing Industry Bureau , ( 1956 ) . 15 US GOVERNMENT PRINTING OFFICE : 1969 0-353-127 U.S. DEPARTMENT OF COMMERCE WASHINGTON , D.C. 20230 OFFICIAL BUSINESS.
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60 percent aluminum aluminum-base specimens appearance Applied asphalt coatings ASTM base Black Slate 25 blistering Blue Black Slate Building Building Science Series Bureau of Standards California asphalt Cement Center cents Characteristics Clay Column COMMERCE concentrations consists containing corresponding cracking criteria deterioration differences direction divisions doctor bar Dolomite durability early effects embedding Evaluation exposed exposure failed failure felt-base specimens FIGURE Fly Ash Government granule-surfaced specimens granules heated industry instances Institute Kraft paper listed longer Loss on ignition losses machine materials measurement method Mica Mid-Continent asphalt mils mineral additives Months Ratio Months National Bureau observed Office panel passed performances physical prepared produced progressed Properties provides Ratio Months Ratio reference reported Research rolls roofing saturated felt sheets shingle Silica smooth smooth-surface smooth-surface specimens spalling surface technical Technology temperature tests three asphalts Venezuela asphalt Washington weather weatherometer tests wide