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Relative impact resistance of asphalt shingles

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Abstract
Part of IBHS' multi-faceted hail research program includes relative performance comparisons of impact resistance of roofing products using standardized impact tests. The focus of testing for 2013-2014 is on asphalt shingles where Underwriters Laboratory Test Standard 2218 (UL 2218) is recognized as the current test standard. Although these standardized tests do not exactly replicate natural hailstone impacts, they provide a way to compare relative product performances in controlled and repeatable laboratory tests. This paper describes results from UL 2218 impact tests on 22 different asphalt shingle products produced by five different manufacturers.
Date
9/2014
Author(s)
Page(s)
3-17
Keyword(s)
Test methodology and materials; basic 3-tab shingles; basic architectural shingles; premium architectural shingles.


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