Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Page
Types of specimens .. 2.2 . Equipment for preparation of specimens . a . b . C. d . Smooth - surface , felt - base specimens . Granule - surfaced specimens .. Back - coater .. Aluminum - base panels . 2.3 . Materials . 1 1 a .
Types of specimens .. 2.2 . Equipment for preparation of specimens . a . b . C. d . Smooth - surface , felt - base specimens . Granule - surfaced specimens .. Back - coater .. Aluminum - base panels . 2.3 . Materials . 1 1 a .
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 . A. Heated bed for keeping felts warm while asphalt ... Aluminum - Base Panels Smooth - Surface , Felt - Base Specimens Crimped ( solder free ) gallon cans . Asphalt melting bath .
Apparatus for preparing granule - surfaced specimens . A. Heated bed for keeping felts warm while asphalt ... Aluminum - Base Panels 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 ... Smooth - Surface , Felt - Base Specimens The asphalts were melted in a double - boiler , consisting of a one ...
Upon cooling , each specimen was cut to 7 X 11 in and exposed the next day on wooden roof decks , which had been covered ... Smooth - Surface , Felt - Base Specimens The asphalts were melted in a double - boiler , consisting of a one ...
Page 6
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 55 - lb roll roofing , which also served ...
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 55 - lb roll roofing , which also served ...
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Common terms and phrases
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 |