2 12 Pitch Roof Shingles

You could also opt for a pvc flat roofing membrane.

2 12 pitch roof shingles. But shingle roofing is not watertight in the sense that standing water or wind driven water on a low slope roof can work its way up between the laps which is the reason for the minimum 2 12 slope. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. 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.

Although ceramic tile roofs are expensive they can have a life span of over 100 years. See the image below for more explanation on rise run and pitch. What precautions need to be taken to install shingles. With that as background you are now ready to estimate how many shingles you will purchase for your roof project.

Asphalt shingles are an effective roof covering material for sloped roofs that can be successfully used on slopes as low as 2 12. Roof pitch designations are comprised of two numbers indicating a ratio. It is often compared to slope but is not exactly the same. A roof slope of 2 12 up to but not including 4 12 is considered as low in residential construction.

A 12 in 12 pitch is a steep 45 degree angle roof. Pitch is the term used to describe the angle slope or slant of your roof. All asphalt shingle roofs with a pitch of 4 12 or more have an underlayment of 15 lb. Asphalt shingles continue to be the most widely installed roof covering option in north america.

Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Asphalt felt paper that is tacked to the roof sheathing. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.

Or the colon can replace the slash as in 2 12 or 7 12. With respect to shingle application roof slopes from 2 12 to less than 4 12 18 5 are called low slope roofs while roof slopes of 4 12 or greater are called normal or standard slopes. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.

Roof pitch defined and explained. This roof shingle calculator requires four basic inputs. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. Roof length measured in feet roof width measured in feet roof pitch.