Minimum Pitch For Corrugated Roof

The corrugated metal roof minimum slope is 5 degrees.

Minimum pitch for corrugated roof.

The cladding should be supported at maximum centres as specified by the manufacturer and fixings should be a minimum of 50mm from sheet ends. That is a 14 degree angle. Minimum pitch for corrugated metal roof. In most occasions a pitch of three in twelve is preferred but this should also take into consideration the manufacturer s recommendations as well the unique condition of the corrugated metal roof.

The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. Most residential metal roofs require at least a 3 12 roof pitch and have no maximum roof pitch. Minimum pitch for corrugated metal roof just like other metal roofs the minimum pitch for a corrugated metal roof largely depends on the profile of the roof. Corrugated metal roofing has the same minimum pitch.

That means there is at least 3 of vertical rise to the roof slope for every 12 it goes back horizontally. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. It is the recommended slope as there is no guarantee if you opt for flatter pitch than this.

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 three in twelve or 3 12 3 inches vertically per 12 inches horizontally.