Metal Roof Minimum Slope Requirements

The minimum roof slope for metal roof panels depend on 3 different scenarios.

Metal roof minimum slope requirements.

Profile in the context of metal roofing means the shape that the sheet of metal is bent into to form the panels. Mbma classi fies metal roof systems into two types through fastener metal roof systems and standing seam metal roof systems. Mbma recommends a minimum slope of 1 2 in 12 2 4 degrees for through fastener metal roof systems and 1 4 in 12 1 2 de grees for standing seam metal roof systems. Minimum roof pitch for metal building.

With regards to metal roofing the profile refers to the shape adopted by the metal sheets when they are bent to form the panels. The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run. Minimum pitch for metal roof. Roof pitch is the degree of building s roof slope.

The associa tion also. Depending on the roof profile there are minimum roof slope requirements for each panel which need to be considered. The minimum pitch for metal roofing varies depending on the profile of the metal. See the below florida building code fifth edition 2014 2017 sections below to determine which slope is appropriate based on your specific design scenario.

Metal roof panels minimum roof slope roof pitch r905 10 2. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. For metal roof systems. The minimum slope for standing seam of roof systems shall be one quarter unit vertical in 12 units horizontal 2 percent slope.

This means for every 12 horizontal units the roof must rise a minimum of 3 vertical. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. The pitch is measured in inches of vertical rise per foot of horizontal run and the 5v crimp profile shown above requires a minimum slope of. Amongst many decisions one has to make when designing a metal building determining metal roof minimum slope is one of them.

Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12 25 slope. The required roof slope varies with application of materials and use. The minimum roof slope requirement for metal panels varies depending on panel connection conditions. The minimum roof slope for metal roofs is dependent upon the roof profile.