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Title
Asphalt shingles over insulation or insulated deck need room to breathe
Date
11/2001
Author(s)
FRSA
Page(s)
8
Keyword(s)
asphalt shingles; insulated deck; air space; air flow
Abstract
Placing asphalt shingles directly over insulation or an insulated deck is not a good idea, especially in hot humid climates. Some simple but important reasons why this practice should be avoided along with illustrations of several ventilation options are given in this article.


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