Min Slope For Standing Seam Metal Roof

Minimum required roof slope for roofing materials.

Min slope for standing seam metal roof.

That is a 14 degree angle. The pitch is measured in inches of vertical rise per foot of horizontal run and the 5v crimp profile shown above requires a minimum slope of three in twelve or 3 12 3 inches vertically per 12 inches horizontally. 9 46 built up roof asphalt. Roofing material or system.

18 43 asphalt shingles with special underlayment requirements 2 in 12. Most residential metal roofs require at least a 3 12 roof pitch and have no maximum roof pitch. In 12 0 25 in 12 1 19 built up roof coal tar pitch. Standing seam is the metal roof profile that has been gaining more popularity nowadays due to its clean and modern looks.

This means for every 12 horizontal units the roof must rise a minimum of one quarter vertical unit. Profile in the context of metal roofing means the shape that the sheet of metal is bent into to form the panels. This recommendation con flicts with some manufacturers who list 1. Standing seam roof systems must have a minimum roof slope of 1 4 12 2 slope.

That means there is at least 3 of vertical rise to the roof slope for every 12 it goes back horizontally. Minimum required slope x in 12 minimum required slope degrees asphalt shingles. The minimum slope for standing seam of roof systems shall be one quarter unit vertical in 12 units horizontal 2 percent slope. Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more.

Depending on the roof profile there are minimum roof slope requirements for each panel which need to be considered. The nrca roofing and waterproofing manual fifth edition states the mini mum slope for structural metal panel roof systems should be 1 2 in 12 2 4 degrees.