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.
Min slope for standing seam metal roof.
For a 1 12 pitch roof the only metal product i recommend is a mechanically seamed standing seam.
Metal roof panels non soldered no lap sealant.
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.
You can often see such examples of use over metal decks.
Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12.
In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12.
Metal roof tiles metal roof shingles interlocking 3 in 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.
Stone coated steel metal roof shingles interlocking 3 in 12.
Metal roof panels with lap sealant.
The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run.
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.
In a few rare special occasions we might approve down to 1 5 12.
We require a 2 12 pitch for our standing seam products.
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.
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 roll roofing is 2 12 or 2 inches rise to 12 inches run.