Roofing Material For A 2 12 Slope

Low pitched roofs aren t able to shed water and snow as easily.

Roofing material for a 2 12 slope.

In addition a handful of proprietary single ply roofing membranes designed for easy application to small jobs have entered the market and offer a few new choices. 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. Sunday august 5 2018. This means for every 12 horizontal units the roof must rise a minimum of one quarter vertical unit.

Or the colon can replace the slash as in 2 12 or 7 12. Pitch is the term used to describe the angle slope or slant of your roof. If roofing material is installed on a roof with a slope that is less than what is specified by the manufacturer it will void the warranty. One issue that has stumped the roofer is a low slope area of 2 12.

We are having a home constructed and desire to use metal roofing with shingles as the preferred product. That means the roofing material you choose needs to protect the materials underneath to prevent water damage and leaks. At slopes lower than 2 12 on residential structures the primary roofing options are built up roofing bur often called tar and gravel modified bitumen and epdm see table 2 17 above. Modified bitumen roofing minimum roof slope roof pitch r905 11 1.

So a roof with four inches of rise every 12 inches horizontally run would have a slope of 4 12 sometimes displayed as 4 12. Tile is an expensive roofing material with costs that can range from 10 to 18 per square foot installed though more uncommon ceramic tiles can run as much as 30 per square foot installed. Standing seam roof systems must have a minimum roof slope of 1 4 12 2 slope. It s the go to material in snow country.

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Metal roofing costs about three times as much as asphalt shingles but it lasts from 50 to 70 years so metal is the less expensive option in the long run metal roofing comes in panels shingles and tiles and in a variety of durable finishes. Roof pitch designations are comprised of two numbers indicating a ratio. Modified bitumen membrane roofs must have a design roof slope of 1 4 12 or greater 2 slope.

The metal shingle manufacturer will only guarantee to a 3 12 slope but will verbally state it should work with no problem. Can metal roofing be used on a low slope pitch roof. Clay tile is a very long lasting roofing material that can last more than a century.