Hail Resistance of Roofing ProductsBuilding Research Division, U.S. Institute for Applied Technology, 1969 - 9 pages |
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Fire Resistance of Steel Deck Floor Assemblies . 25 cents BSS12 . Performance of Square - Edged Orifices and Orifice - Target Combinations as Air Mixers . 15 cents BSS13 . Shrinkage and Creep in Prestressed Concrete . 15 cents BSS14 .
Fire Resistance of Steel Deck Floor Assemblies . 25 cents BSS12 . Performance of Square - Edged Orifices and Orifice - Target Combinations as Air Mixers . 15 cents BSS13 . Shrinkage and Creep in Prestressed Concrete . 15 cents BSS14 .
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523B microsecond tested is mounted on a roof deck , just as in counter , with both starting and stopping gates service , and clamped in place against the backand a direct readout . stop in position ( 1 ) . The timing range consists 2.2 ...
523B microsecond tested is mounted on a roof deck , just as in counter , with both starting and stopping gates service , and clamped in place against the backand a direct readout . stop in position ( 1 ) . The timing range consists 2.2 ...
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91 cm ) decks , representative of those used in construction ( 3/8 in ( 1 cm ) and 1/2 in ( 1.3 cm ) plywood , 1 in x 6 in ... Thus , each deck represented a 1 ft 6 in x 3 ft 0 in ( 46 x 91 cm ) section out of a conventional roof .
91 cm ) decks , representative of those used in construction ( 3/8 in ( 1 cm ) and 1/2 in ( 1.3 cm ) plywood , 1 in x 6 in ... Thus , each deck represented a 1 ft 6 in x 3 ft 0 in ( 46 x 91 cm ) section out of a conventional roof .
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Hailstones 234 in ( 7.0 cm ) in diameter produced damage to the decks on which the shingles were mounted . Smallest hail size cracking shingle felt Deck 15 # Felt underlayment Edges Unsupported portion Triple coverage Edges Unsupported ...
Hailstones 234 in ( 7.0 cm ) in diameter produced damage to the decks on which the shingles were mounted . Smallest hail size cracking shingle felt Deck 15 # Felt underlayment Edges Unsupported portion Triple coverage Edges Unsupported ...
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However , one Type 235 and one Type 315 Class C shingle and one Type 240 Class A shingle were tested at 120 ° F ( 49 ° C ) .on a 1 / 2 - in ( 1.3 cm ) plywood deck with a 15 lb saturated felt underlayment . The hail resistance of the ...
However , one Type 235 and one Type 315 Class C shingle and one Type 240 Class A shingle were tested at 120 ° F ( 49 ° C ) .on a 1 / 2 - in ( 1.3 cm ) plywood deck with a 15 lb saturated felt underlayment . The hail resistance of the ...
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15 cents apparatus Applied approximate areas asbestos cement asphalt asphalt shingles Base sheet better building Built-up roofs Bureau of Standards carrier cast caused Center cents Class Concrete consists construction contain counter cracking cylinder deck dents developed diameter divisions Effect energy Evaluating failure fall Fiberboard figure float flood coat formed freezing glass fiber Government hail damage hail resistance hailstones Hailstorms impact indentation industry Institute insulation interply kg/m l-in larger layer lbs/sq materials measurement metal Meteorol mold National Bureau occur Office organic felt performed permitted physical plywood preparation Processing Properties provides Radiation Reference reported Research Resistance of Roofing resistant to hail shingles showed sizes slag solidly specimen stones storm structure substrates supported surface tape technical Technology tend terminal velocities tested threshold Type underlayment United usually vulnerability Washington weather y-in
Bibliographic information
| Title | Hail Resistance of Roofing Products Volume 23 of Building science series, United States National Bureau of Standards Volume 23 of National Bureau of Standards building science series |
| Author | Sidney H. Greenfeld |
| Contributor | Institute for Applied Technology (U.S.). Building Research Division |
| Publisher | Building Research Division, U.S. Institute for Applied Technology, 1969 |
| Original from | the University of Michigan |
| Digitized | 18 Aug 2006 |
| Length | 9 pages |
| Export Citation | BiBTeX EndNote RefMan |