Adequate attic ventilation critical for performance - Q & A

Abstract
The question on how to determine the amount oif attic ventilation required when replacing an asphalt shingle roof is answered.

Date
6/1995

Author(s)
Mark Graham

Page(s)
52

Source
Professional Roofing / National Roofing Contractors Assn

Keyword(s)
attic ventilation; asphalt shingle roof; underlayment felt; steep slope roof

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