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Abstract
As a result of complaints and reported failures and problems with 20-year guaranteed asphalt fiberglass shingles throughout the midwest area of the country, MRCA conducted a survey of its members in June 1992 to determine the extent and type of problems being encountered. As a result of the finding of this survey, and based upon the large number of cracking and splitting of fiberglass shingles, MRCA sponsored a program at the Chicago Testing Lab in early May, 1993.
As a result of complaints and reported failures and problems with 20-year guaranteed asphalt fiberglass shingles throughout the midwest area of the country, MRCA conducted a survey of its members in June 1992 to determine the extent and type of problems being encountered. As a result of the finding of this survey, and based upon the large number of cracking and splitting of fiberglass shingles, MRCA sponsored a program at the Chicago Testing Lab in early May, 1993.
Date
10/1993
10/1993
Author(s)
MRCA
MRCA
Page(s)
4
4
Keyword(s)
tear strength test; asphalt shingles; MRCA position paper; Chicago Testing Lab; splitting; cracking
tear strength test; asphalt shingles; MRCA position paper; Chicago Testing Lab; splitting; cracking