Metal Roof Low Slope

Low slope metal roofs require less material which reduces the overall load on the building s structure.

Metal roof low slope.

Minimum metal roof slope depends on the roof profile building design climate and site location. 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. At sheffield metals we also recognize low slope as 3 12 and below. It is important to note structural metal panel roof systems can be used for steep slope roof assemblies too.

There are several benefits of a low slope roof. Typically large footprint single story warehouses and pre engineered metal buildings will utilize low slope metal roof systems. Sunday august 5 2018. 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.

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. Low slope metal roofs provide years of low cost low maintenance performance. In the right climate a low slope metal roof makes the most sense for long term durability cost effectiveness and energy efficiency. For a low slope residential roof there are two main options.

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. The traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. Standing seam is the metal roof profile that has been gaining more popularity nowadays due to its clean and modern looks. The panels have been designed for application over a wide variety of substrates on roof slopes as low as 1 2 12 pitch.

Available in 12 16 and 18 widths tite loc and tite loc plus panels can be produced in 22 and 24 gauge steel or 032 and 040 aluminum. 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. Tite loc and tite loc plus panels are factory formed to length and field seamed to a 90 lock tite loc or a 180 lock tite loc plus. A low slope roof is defined in the industry as a roof that has a pitch equal to 3 12 or less.

A low slope roof is one whose slope is less than 3 12. Then apply standard asphalt shingles over the membrane. When looking at metal roofing panel you will need to consult with the manufacturer to ensure that the metal panel you selected will work for your application. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.

Structural metal panel roof systems can be used for low slope roofs because of their hydrostatic or water barrier characteristics. The membrane will outlast the shingles and seal around all nail penetrations.