Standing Seam Metal Roof Minimum Slope

Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12.

Standing seam metal roof minimum slope.

A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas. The minimum pitch for shingles is 1 6 which is equivalent to 4 inches rise to 24 inches run. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12. Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more.

The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. Standing seam is the metal roof profile that has been gaining more popularity nowadays due to its clean and modern looks. Minimum metal roof slope depends on the roof profile building design climate and site location.

Standing seam roof systems must have a minimum roof slope of 1 4 12. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. Mbma classi fies metal roof systems into two types through fastener metal roof systems and standing seam metal roof systems. Mbma recommends a minimum slope of 1 2 in 12 2 4 degrees for through fastener metal roof systems and 1.

You can often see such examples of use over metal decks. The minimum slope for standing seam of roof systems shall be one quarter unit vertical in 12 units horizontal 2 percent slope. Low slope metal roofs require less material which reduces the overall load on the building s structure. Speaking about standing seam metal roof slope it is a general and a self evident knowledge that the steeper it is the faster it is for snow rain or drain to come down the roof.

Typically low slope metal roof systems vary in weight from 40 to 135 pounds per 100 square feet making them among the lightest roofing products and the easiest to install.