Low slope metal roofs require less material which reduces the overall load on the building s structure.
Low slope metal roof installation.
Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
It is important to note structural metal panel roof systems can be used for steep slope roof assemblies too.
4 1 determining hail damage 4 2 determining wind damage 4 3 fire 4 4 cold weather.
How to install roll roofing on low slope roofs.
Can metal roofing be used on a low slope pitch roof.
Structural metal panel roof systems can be used for low slope roofs because of their hydrostatic or water barrier characteristics.
It has just one layer so it goes.
A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
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.
A typical roof has three layers a felt layer and two layers of overlapping shingles.