How Much Material Roof Pitch

Alternatively find the area of your roof using our roofing calculator which can also estimate shingles and material needed for your project.

How much material roof pitch.

Minimum roof pitch for shingles. Contemporary houses often have flat roofs which shouldn t be completely flat but should be around 1 40. Use our roof pitch calculator to find the pitch of your roof or find the pitch multiplier then multiply the area of the footprint of your roof by the multiplier to find the actual area. Outside of the u s a degree angle is typically used.

If your roof is not flat and you cannot climb to the peak to get accurate width measurements then you can add a multiplier for the pitch of your roof. How do you calculate the slope of a roof. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. There is no standard universal roof pitch.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. Roof is 6 12 pitch and measures at 2 400 square feet so 2400 x 1 12 2 688 2 88 sqs added for pitch. 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. Asphalt shingles continue to be the most widely installed roof covering option in north america.

In the usa the range of standard pitches is anywhere between 4 12 and 9 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. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. See the image below for more explanation on rise run and pitch.

A 12 in 12 pitch is a steep 45 degree angle roof. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. Get your roof size by using this roof pitch calculator. With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs.

You write the pitch assuming a run of 12 inches thus the ratio would describe how much a roof rises for each foot of the run. But the most commonly used pitches range between 4 12 and 9 12. But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof. You could also opt for a pvc flat roofing membrane.

Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. In the uk the typical house has a pitch between 40 50 although 45 should be avoided. Enter your numbers into this go to roof pitch calculator.

Roof pitch varies depending on culture climate style and available materials.