By RPS Metal Roofing.
The slope of a roof, or the pitch, refers to the angle at which the roof rises in comparison to the horizontal length. Slope is an incredibly important part of the roof that contractors must keep in mind when deciding which materials and installation methods to use. The metal roofing experts at RPS Metal Roofing share their insights.
The minimum slope for most metal roofing is 3:12. This means for every 12 horizontal inches, the roof rises by 3 inches. At this slope:
Water runoff is effective enough to prevent pooling.
There’s less chance of wind-driven rain getting underneath the panels.
However, some types of metal roofing can be installed on low-sloped or nearly flat roofs, but special considerations, like seam type and underlayment, are necessary.
While 3:12 might be the minimum for many metal roofs, sometimes a steeper slope is recommended:
If you’re considering installing metal roofing on a low-sloped roof (between 0.5:12 and 3:12), keep the following in mind:
While slope is vital, other factors also play a role in a metal roof’s performance:
The slope of a metal roof plays a significant role in its performance and longevity. While there are minimum requirements to ensure effective water runoff, the ideal slope for a metal roof can vary based on aesthetic desires, regional weather conditions and building style. Always consult with an experienced roofing professional when considering a metal roof for your building or home.
Original article source: RPS Metal Roofing
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