Abstract
A readers is installing a conventional three tab asphalt shingle roof system and intends to use the closed cut method of installing the valleys. He asks for recommendations as to which side of the valley should be cut.
A readers is installing a conventional three tab asphalt shingle roof system and intends to use the closed cut method of installing the valleys. He asks for recommendations as to which side of the valley should be cut.
Date
11/1994
11/1994
Author(s)
Mark Graham
Mark Graham
Page(s)
49
49
Keyword(s)
asphalt shingle; closed cut valley; recommendations
asphalt shingle; closed cut valley; recommendations