Hail Resistance of Roofing ProductsBuilding Research Division, U.S. Institute for Applied Technology, 1969 - 9 pages |
From inside the book
Results 1-5 of 5
Page
Sidney H. Greenfeld. Architectural Library TH 2 U58 no . 23 Contents 1. Introduction 2. Apparatus 2.1 . Test apparatus 2.2.
Sidney H. Greenfeld. Architectural Library TH 2 U58 no . 23 Contents 1. Introduction 2. Apparatus 2.1 . Test apparatus 2.2.
Page
Apparatus 2.1 . Test apparatus 2.2 . Hailstone carriers 2.3 . Hailstone molds - 2.4 . Specimen construction 3. Procedures 3.1 . Shooting hailstones at roofing 3.2 . Evaluating failure 4. Results 4.1 . Asphalt shingles 4.2 .
Apparatus 2.1 . Test apparatus 2.2 . Hailstone carriers 2.3 . Hailstone molds - 2.4 . Specimen construction 3. Procedures 3.1 . Shooting hailstones at roofing 3.2 . Evaluating failure 4. Results 4.1 . Asphalt shingles 4.2 .
Page 3
Apparatus 2.1 . Test Apparatus masking tape , also 2.0 ft ( 61 cm ) apart . The The apparatus consisted of a compressed air tapes are kept under tension such that any gun , for launching the hailstones , a timer , for impact on them ...
Apparatus 2.1 . Test Apparatus masking tape , also 2.0 ft ( 61 cm ) apart . The The apparatus consisted of a compressed air tapes are kept under tension such that any gun , for launching the hailstones , a timer , for impact on them ...
Page 4
1. Test specimen . 6. Hallstone carriersone in gun and one in open to 2. Timing section . show cavity . 8. Compressed gas gun . 7. Hailstone mold . 4. Gas cylinder . 8. Triggering mechanism . FIGURE 2. Hail resistance apparatus .
1. Test specimen . 6. Hallstone carriersone in gun and one in open to 2. Timing section . show cavity . 8. Compressed gas gun . 7. Hailstone mold . 4. Gas cylinder . 8. Triggering mechanism . FIGURE 2. Hail resistance apparatus .
Page 9
The author wishes to thank Royce Stine and Thomas Crowe for their help in constructing the apparatus and collecting the data upon which this article is based . He also thanks the Materials Durability and Analvsis Section ...
The author wishes to thank Royce Stine and Thomas Crowe for their help in constructing the apparatus and collecting the data upon which this article is based . He also thanks the Materials Durability and Analvsis Section ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Common terms and phrases
15 cents apparatus Applied approximate areas asbestos cement asphalt Base sheet better building Built-up roofs Bureau of Standards carrier cast caused Center cents Class compressed Concrete consists construction contain conventional counter cracking cylinder deck dents developed diameter divisions Effect energy Evaluating failure fall Fiberboard figure Fire float flood coat formed freezing glass fiber Government hail damage hail resistance hailstones Hailstorms impact increases indentation industry Institute insulation interply kg/m l-in larger layer lbs/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 shingles showed sizes slag solidly specimen stones storm structure substrates supported surface tape technical Technology tend terminal velocities tested 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 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 |