Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Page 8
Cracking of coatings on shingles results from the large differences in thermal coefficient of linear expansion between the saturated felt and the shingle coatings . Data on these materials are difficult to obtain , but a few order - of ...
Cracking of coatings on shingles results from the large differences in thermal coefficient of linear expansion between the saturated felt and the shingle coatings . Data on these materials are difficult to obtain , but a few order - of ...
Page 10
However , for some systems there was little or no difference in the durabilities of corresponding coatings made from the latter two asphalts . For all three asphalts , mica ( shown in tables 6 and 7 , but not in fig .
However , for some systems there was little or no difference in the durabilities of corresponding coatings made from the latter two asphalts . For all three asphalts , mica ( shown in tables 6 and 7 , but not in fig .
Page 14
( 4 ) There were differences in durability among the specimens made with the three asphalts , with the Mid - Continent asphalt being the most durable and the California the least . When mineral additives were mixed with the asphalts ...
( 4 ) There were differences in durability among the specimens made with the three asphalts , with the Mid - Continent asphalt being the most durable and the California the least . When mineral additives were mixed with the asphalts ...
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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 |