Hail Resistance of Roofing ProductsBuilding Research Division, U.S. Institute for Applied Technology, 1969 - 9 pages |
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Page 6
... performed equally well ; those on 1 x 6 - in T & G roof boards were more resistant to hail damage than those on plywood . The shingles without an underlayment con- sistently had a higher threshold of hail damage than did those with the ...
... performed equally well ; those on 1 x 6 - in T & G roof boards were more resistant to hail damage than those on plywood . The shingles without an underlayment con- sistently had a higher threshold of hail damage than did those with the ...
Page 7
... performed equally well . One Type 290 Class C shingle actually had a damage threshold at the 234 - in ( 7.0 cm ) hail- stone . While it is outside the province of this report to identify these heavy Class C and Class A shingles more ...
... performed equally well . One Type 290 Class C shingle actually had a damage threshold at the 234 - in ( 7.0 cm ) hail- stone . While it is outside the province of this report to identify these heavy Class C and Class A shingles more ...
Page 8
... performed better than those made with organic felts and the slag sur- faced roofing was not damaged by hailstones up to and including 212 - in ( 6.4 cm ) in diameter . 4.3 . Nonbituminous Roofing A number of nonbituminous roofings were ...
... performed better than those made with organic felts and the slag sur- faced roofing was not damaged by hailstones up to and including 212 - in ( 6.4 cm ) in diameter . 4.3 . Nonbituminous Roofing A number of nonbituminous roofings were ...
Common terms and phrases
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 compressed Concrete consists construction contain counter cracking cylinder deck dents developed diameter divisions energy Evaluating failure fall Fiberboard figure Fire float flood coat formed freezing glass fiber Government hail damage hail resistance hailstones Hailstorms impact indentation industry Institute insulation kg/mē larger layer lb/sq materials measurement membrane metal Meteorol mold National Bureau occur Office organic felt performed permitted physical plywood preparation Processing Properties provides Reference reported Research Resistance of Roofing resistant to hail Science Series shingles showed sizes slag solidly specimen stones storm structure substrates supported surface tape technical Technology tend terminal velocities tested threshold Type underlayment United usually various vulnerability Washington weather
Bibliographic information
| Title | Hail Resistance of Roofing Products Volume 23 of Building science series, United States National Bureau of Standards, ISSN 0083-1794 |
| 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 |