Min Slope For Standing Seam Metal Roof

Metal roof panels with lap sealant.

Min slope for standing seam metal roof.

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. 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. Standing seam roof systems must have a minimum roof slope of 1 4 12. Stone coated steel metal roof shingles interlocking 3 in 12.

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. Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12. In a few rare special occasions we might approve down to 1 5 12. Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more.

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. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12. In 12 0 25 in 12 1 19 metal. 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 a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run. We require a 2 12 pitch for our standing seam products. Metal roof tiles metal roof shingles interlocking 3 in 12. Metal roof panels non soldered no lap sealant.

In 12 0 5 in 12 2 39 metal. According to the 2012 international building code 1507 4 2 deck slope minimum slopes for roof panels need to comply with the following. For a 1 12 pitch roof the only metal product i recommend is a mechanically seamed standing seam.