In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12.
Slope required metal roof.
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 roof slope for metal roofs is dependent upon the roof profile.
To get the minimum pitch for a metal roof the vertical rise per foot is divided by the horizontal slope.
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.
The minimum slope for lapped non soldered seam metal roofs without applied lap sealant shall be three units vertical in.
Profile in the context of metal roofing means the shape that the sheet of metal is bent into to form the panels.
Minimum roof slope roof pitch r905 10 2 1.
Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12 4 slope.
The minimum roof slope requirement for metal panels varies depending on panel connection conditions.
The minimum slope for lapped.
The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
The required roof slope varies with application of materials and use.
See the below florida building code fifth edition 2014 2017 sections below to determine which slope is appropriate based on your specific design scenario.
Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12 25 slope.