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 .
Page 1
... outdoor weathering of laboratory - prepared smooth - surface and mineralsurfaced , felt - base roofing specimens ... The mineral - surfaced specimens are all performing satisfactorily , and show only minor degrees of degradation .
... outdoor weathering of laboratory - prepared smooth - surface and mineralsurfaced , felt - base roofing specimens ... The mineral - surfaced specimens are all performing satisfactorily , and show only minor degrees of degradation .
Page 2
Apparatus for preparing granule - surfaced specimens . ... The third type of specimen was used for accelerated weathering tests . ... Smooth - Surface , Felt - Base Specimens Crimped ( solder free ) gallon cans . Asphalt melting bath .
Apparatus for preparing granule - surfaced specimens . ... The third type of specimen was used for accelerated weathering tests . ... Smooth - Surface , Felt - Base Specimens Crimped ( solder free ) gallon cans . Asphalt melting bath .
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
Granule - Surfaced , Felt - Base Specimens 7- X 11 - in specimens were mounted by nailing shingle fashion on protected decks with 4- X 7 - in tabs exposed to the weather . The decks for the smooth - surface specimens were protected with ...
Granule - Surfaced , Felt - Base Specimens 7- X 11 - in specimens were mounted by nailing shingle fashion on protected decks with 4- X 7 - in tabs exposed to the weather . The decks for the smooth - surface specimens were protected with ...
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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 |