Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Page 12
... 25 lb / 100 sq ft ( 1.22 kg / m 2 ) ) Column 1 Column 2 Column 3 Composition Coating thickness Composition Coating thickness Composition Coating thickness mils mils mils 60 % Blue Black Slate 25 50 % Blue Black Slate 25 35 % Florida ...
... 25 lb / 100 sq ft ( 1.22 kg / m 2 ) ) Column 1 Column 2 Column 3 Composition Coating thickness Composition Coating thickness Composition Coating thickness mils mils mils 60 % Blue Black Slate 25 50 % Blue Black Slate 25 35 % Florida ...
Page 13
... felt - base California specimens after 15 years of exposure ( Initial granule coverage approximately 25 / b / 100 sq ... Black Slate 60 % Blue Black Slate 50 % Blue Black Slate 35 % Blue Black Slate 35 % Blue Black Slate 25 25 25 25 ...
... felt - base California specimens after 15 years of exposure ( Initial granule coverage approximately 25 / b / 100 sq ... Black Slate 60 % Blue Black Slate 50 % Blue Black Slate 35 % Blue Black Slate 35 % Blue Black Slate 25 25 25 25 ...
Page 14
The 25 - mil thick coatings were more durable than the 15 - mil coatings of the same mixes , but in many instances ... 50 , and 60 percent blue black slate in all three asphalts have consistently outperformed the corresponding asphalt ...
The 25 - mil thick coatings were more durable than the 15 - mil coatings of the same mixes , but in many instances ... 50 , and 60 percent blue black slate in all three asphalts have consistently outperformed the corresponding asphalt ...
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60 percent aluminum aluminum-base specimens appearance Applied areas 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 exposed exposure failed failure felt-base specimens FIGURE Fly Ash Government granule-surfaced specimens granules grid half heated industry 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 Organic panel passed performances period physical prepared procedure produced Properties provides Ratio Months Ratio reference reported Research rolls roofing saturated felt sheets shingle Silica smooth smooth-surface smooth-surface specimens spalling surface TABLE technical Technology temperature tests three asphalts Venezuela asphalt Washington weather weatherometer tests
Bibliographic information
| Title | Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt Volume 24 of Building science series, United States National Bureau of Standards, ISSN 0083-1794 |
| Author | Sidney H. Greenfeld |
| Publisher | U.S. National Bureau of Standards, 1969 |
| Original from | the University of Michigan |
| Digitized | 18 Aug 2006 |
| Length | 15 pages |
| Export Citation | BiBTeX EndNote RefMan |