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.
Low slope metal roof installation.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
4 1 determining hail damage 4 2 determining wind damage 4 3 fire 4 4 cold weather.
In the event a low slope metal panel roof needs to be repaired it is recommended that the same metal panel profile be used to ensure proper weather protection with joints and seals.
Roll roofing is different.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas.
A typical roof has three layers a felt layer and two layers of overlapping shingles.
It has just one layer so it goes.
How to install roll roofing on low slope roofs.
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 metal roofs require less material which reduces the overall load on the building s structure.
Structural metal panel roof systems can be used for low slope roofs because of their hydrostatic or water barrier characteristics.