Asphalt Shingles Installed On A Slope Below The Recommended Roof Pitch
Asphalt composition shingles are designed to be installed on roof slopes greater than a 4 in 12 pitch. Therefore the asphalt manufactures base their warranties around the minimum recommended pitch of 4 in 12. For those who don't understand the roof pitch number here is a way to envision it. For every 12 inches you… [ Read More ]