Standing Seam Roofing Minimum Slope

The minimum slope for standing seam of roof systems shall be one quarter unit vertical in 12 units horizontal 2 percent slope.

Standing seam roofing minimum slope.

And profiles like standing seam which utilize a concealed connection to the roof deck require only a one and a half inch minimum pitch. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. You can often see such examples of use over metal decks. Standing seam roof systems must have a minimum roof slope of 1 4 12 2 slope.

This means for every 12 horizontal units the roof must rise a minimum of one quarter vertical unit. 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. Standing seam is the metal roof profile that has been gaining more popularity nowadays due to its clean and modern looks. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.

Depending on the roof profile there are minimum roof slope requirements for each panel which need to be considered. The profile refers to the shape the metal sheets take when they bend to form panels. Speaking about standing seam metal roof slope it is a general and a self evident knowledge that the steeper it is the faster it is for snow rain or drain to come down the roof.