Min Slope For Standing Seam Metal Roof

A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas.

Min slope for standing seam metal roof.

In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12. Metal roof panels with lap sealant. For a 1 12 pitch roof the only metal product i recommend is a mechanically seamed standing seam. In 12 0 5 in 12 2 39 metal.

Metal roof tiles metal roof shingles interlocking 3 in 12. 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. Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more. 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.

Stone coated steel metal roof shingles interlocking 3 in 12. The minimum slope for lapped non soldered seam metal roofs without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12. Standing seam roof systems must have a minimum roof slope of 1 4 12.

Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12. We require a 2 12 pitch for our standing seam products. There are some opinions that standing seam metal roof minimum slope is 12 but it increases the possibility of leaking on the few first days of snow arrival. According to the 2012 international building code 1507 4 2 deck slope minimum slopes for roof panels need to comply with the following.

In 12 0 25 in 12 1 19 metal. In a few rare special occasions we might approve down to 1 5 12. The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run.