Min Slope For Standing Seam Metal Roof

The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run.

Min slope for standing seam metal roof.

Metal roof panels non soldered no lap sealant. 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. Standing seam roof systems must have a minimum roof slope of 1 4 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.

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. For a 1 12 pitch roof the only metal product i recommend is a mechanically seamed standing seam. Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more. We require a 2 12 pitch for our standing seam products.

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. You can often see such examples of use over metal decks. In 12 0 25 in 12 1 19 metal. In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12.

A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas. Metal roof panels with lap sealant. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12. In a few rare special occasions we might approve down to 1 5 12.

The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run. In 12 0 5 in 12 2 39 metal. Metal roof tiles metal roof shingles interlocking 3 in 12.