Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Equipment for preparation of specimens Smooth - surface , felt - base specimens . b . Granule - surfaced specimens . Back - coater .. d . Aluminum - base panels 2.3 . Materials . Mineral matter . b . Asphalts Saturated felts . d .
Equipment for preparation of specimens Smooth - surface , felt - base specimens . b . Granule - surfaced specimens . Back - coater .. d . Aluminum - base panels 2.3 . Materials . Mineral matter . b . Asphalts Saturated felts . d .
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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 .
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Caliper , mils : Tensile , lb / in Ash , % : 53 + 2 1.90 + 0.01 57 + 3 31 6.8 Saturated felt Saturation and a half times the required quantity of coating was distributed over the felt and spacers of the required thickness ( felt ...
Caliper , mils : Tensile , lb / in Ash , % : 53 + 2 1.90 + 0.01 57 + 3 31 6.8 Saturated felt Saturation and a half times the required quantity of coating was distributed over the felt and spacers of the required thickness ( felt ...
Page 6
Granule - Surfaced , Felt - Base Specimens 7- X 11 - in specimens were mounted by nailing shingle fashion on protected ... the felt - base specimens , the spalling permitted the saturated felt to be degraded rapidly by the weather .
Granule - Surfaced , Felt - Base Specimens 7- X 11 - in specimens were mounted by nailing shingle fashion on protected ... the felt - base specimens , the spalling permitted the saturated felt to be degraded rapidly by the weather .
Page 7
... in the normal course of events , as weathering progresses , generally more granules will be lost , more cracking will occur and , finally , the coatings will spall off the saturated felts , just as in the smoothsurface , felt - base ...
... in the normal course of events , as weathering progresses , generally more granules will be lost , more cracking will occur and , finally , the coatings will spall off the saturated felts , just as in the smoothsurface , felt - base ...
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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 |