Metal Roofing For Low Slope Roofs

At sheffield metals we also recognize low slope as 3 12 and below.

Metal roofing for low slope roofs.

A low slope roof is defined in the industry as a roof that has a pitch equal to 3 12 or less. But the taller profiles like standing seam and pbr shown below can be installed on roofs with as low as 1 4 or 1 2 in 12 pitch. Minimum metal roof slope depends on the roof profile building design climate and site location. The corrugated metal roof minimum slope is 5 degrees.

It is the recommended slope as there is no guarantee if you opt for flatter pitch than this. Most structural metal panel roof systems are designed to resist the passage of water at laps and other joints as sealant or anti capillary designs can be used in the seams. Typically large footprint single story warehouses and pre engineered metal buildings will utilize low slope metal roof systems. Because of the shallow height of the undulating ridges of the 5v and corrugated profiles and the use of exposed metal fasteners to screw the metal to the roof deck they are limited to a slope that will shed rain quickly.

Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. Minimum pitch for corrugated metal roof corrugated roofing is an amazing choice for conventional pitched roof despite having the severe limitation about the pitch. Low slope metal roofs have been a preferred roof covering for commercial institutional and industrial buildings for years because of their ability to protect against the elements to allow water to drain away from the roof surface and to keep building contents and occupants dry and comfortable. Determining which panel is the right choice for the slope on your project will depend on the manufacturer s minimum slope factor for that specific panel profile.