Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Page 2
D. Granule placement S - rolls . E. Granule pressing , or embedding , rolle . TABLE 1. Characteristics of mineral additives Blue Black Blate Florida. The third type of specimen was used for accelerated weathering tests .
D. Granule placement S - rolls . E. Granule pressing , or embedding , rolle . TABLE 1. Characteristics of mineral additives Blue Black Blate Florida. The third type of specimen was used for accelerated weathering tests .
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Saturated Felts The dry felt was prepared for this project in rolls 12 + 12 in wide by 300 ft long and shipped by one of the sponsoring companies to another of the sponsors for saturation by personnel on the project .
Saturated Felts The dry felt was prepared for this project in rolls 12 + 12 in wide by 300 ft long and shipped by one of the sponsoring companies to another of the sponsors for saturation by personnel on the project .
Page 5
Upon cooling , each specimen was cut to 7 X 11 in and exposed the next day on wooden roof decks , which had been covered with smooth - surface roll roofing ( facing due south and at an angle of 45 ° ) . An area of 4 X 7 in was exposed ...
Upon cooling , each specimen was cut to 7 X 11 in and exposed the next day on wooden roof decks , which had been covered with smooth - surface roll roofing ( facing due south and at an angle of 45 ° ) . An area of 4 X 7 in was exposed ...
Page 6
The decks for the smooth - surface specimens were protected with 55 - lb roll roofing , which also served as the under - layment for these ... The panel was removed from the belt and passed backwards through the embedding rolls again .
The decks for the smooth - surface specimens were protected with 55 - lb roll roofing , which also served as the under - layment for these ... The panel was removed from the belt and passed backwards through the embedding rolls again .
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Common terms and phrases
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 Composition Coating thickness 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 heated industry instances Institute 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 period physical prepared produced Properties provides Ratio Months Ratio reference reported Research Retained rolls roofing saturated felt sheets shingle Silica smooth smooth-surface smooth-surface specimens spalling surface tabs technical Technology temperature tests three asphalts type of specimen Venezuela asphalt Washington weather
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 Volume 24 of National Bureau of Standards building science series |
| 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 |