How To Roof A 2 12 Pitch

Pitch is the term used to describe the angle slope or slant of your roof.

How to roof a 2 12 pitch.

Conventional forms range from 4 12 9 12 and steep slope roofing is more than 9 12 and requires extra fasteners. They have a pitch ranging from 4 12 to 9 12. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. The table below shows common roof pitches and the equivalent grade degrees and radians for each.

If this isn t practical then perform the same measurement on the underside of the roof. No leaks or problems. Pitch has a basic range but it s not uniformly defined however the range from flat that is not perfectly flat but is sloped in order to drain water is up to 12 2 12. A 12 12 pitch roof has a pitch angle of 45.

That s why i m checking this forum keeping my fingers crossed. Divide the first part of the ratio by 12 to work out the pitch. To convert between american roofing ratios and pitch degrees follow these steps. Old guy contractor.

I m also getting a new roof this week. Or the colon can replace the slash as in 2 12 or 7 12. But i ve lived in a house with a 2 5 in 12 pitch for 20 years. Roof pitch degree table.

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. Low pitched roofs are generally difficult to maintain and you need special materials to prevent leaks. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. See the image below for more explanation on rise run and pitch.

These roofs have a pitch less than 4 12. Image 1 12 to 12 12 roof pitch 7 12 pitch. Generally such roofs have a pitch ranging from 1 2 12 to 2 12. We included a roof pitch chart below the 7 12 example image and the calculator below that.

A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. Roof pitch designations are comprised of two numbers indicating a ratio. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options.

Roof pitch defined and explained. What degree angle is a 12 12 pitch roof. Find the inverse tangent of the pitch to find the angle in degrees. 04 29 2011 05 29 am 13.

Most roof s have a pitch in the 4 12 to 9 12 range.