Roofing Material For A 2 12 Slope

Or the colon can replace the slash as in 2 12 or 7 12.

Roofing material for a 2 12 slope.

The list below contains the common roof slopes and the terms which classify them. 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. Clay tile is a very long lasting roofing material that can last more than a century. 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.

Modified bitumen membrane roofs must have a design roof slope of 1 4 12 or greater 2 slope. Low pitched roofs aren t able to shed water and snow as easily. That means the roofing material you choose needs to protect the materials underneath to prevent water damage and leaks. 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.

A 2 12 roof slope is considered low so the roofing materials you would use on a steeper roof may not work. Roof pitch designations are comprised of two numbers indicating a ratio. This is particularly important to pay attention to when using metal roofing products such as standing seam metal which have a multitude of profiles attachment methods and seam lap joint styles which can affect the recommended 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. Pitch is the term used to describe the angle slope or slant of your roof. This means for every 12 horizontal units the roof must rise a minimum of one quarter vertical unit. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.

Sunday august 5 2018. 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. 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. It s the go to material in snow country.

Standing seam roof systems must have a minimum roof slope of 1 4 12 2 slope. We are having a home constructed and desire to use metal roofing with shingles as the preferred product. 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.