Metal Building Roof Pitch

Roof pitch designations are comprised of two numbers indicating a ratio.

Metal building roof pitch.

The slope of a steel building s roof is expressed by a ratio called roof pitch which indicates the number of inches a roof rises vertically for every 12 inches it runs horizontally. Or the colon can replace the slash as in 2 12 or 7 12. Typically low slope metal roof systems vary in weight from 40 to 135 pounds per 100 square feet making them among the lightest roofing products and the easiest to install. It determines how many inches the roof should rise for every 12 inches expanding on the horizontal side.

Let s take a look at some of the main things to consider when choosing a metal roof panel with regard to roof slope including building codes minimum slope requirements and typical applications. Roof pitch defined and explained. Roofs with a pitch lower than 1 5 b would problems with condensation and air water movement through the deck and condensation buildup. There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12.

Minimum roof pitch for metal building. That is why you may have noticed that just about all of the roofs you see with very low under about 2 1 2 12 pitch have coverings. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. In addition to this when you have a higher pitch you will need to order a colored roof because the roof is seen.

At r m steel we offer a variety of metal building roof pitch options providing your metal building with the style and look you want. Any roof pitch higher than a 5 12 requires custom engineering which could hike up the cost of your building. These moisture problems can lead to a number of other problems like corrosion of metals and wiring wood decaying molds. Pbr which is typically used for industrial metal buildings can be installed as low as half inch pitch for example.

Roof pitch is the degree of building s roof slope. Corrugated metal roofing has the same minimum pitch. Profiles with a higher ridge at the panel connections can be installed lower. You could also opt for a pvc flat roofing membrane.

There are advantages and disadvantages to consider with both higher and lower roof pitches. Though they add to the cost of the. A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas. There are advantages to both low and high pitched roofs standard roof pitch is 1 12.

So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum. Pitch is the term used to describe the angle slope or slant of your roof. Also pitch is often expressed in a shorthand style using just the first number. This will add to your building cost as well.