How Much Material Roof Pitch

Get your roof size by using this roof pitch calculator.

How much material roof pitch. 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. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs. 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.

There is no standard universal roof pitch. Contemporary houses often have flat roofs which shouldn t be completely flat but should be around 1 40. 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. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.

A 12 in 12 pitch is a steep 45 degree angle roof. Minimum roof pitch for shingles. 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. But the most commonly used pitches range between 4 12 and 9 12.

Roof pitch varies depending on culture climate style and available materials. In the usa the range of standard pitches is anywhere between 4 12 and 9 12. 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.

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. Outside of the u s a degree angle is typically used. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

You could also opt for a pvc flat roofing membrane. How do you calculate the slope of a roof. 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. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. In the uk the typical house has a pitch between 40 50 although 45 should be avoided. As aforementioned there is no standard pitch of a roof. Enter your numbers into this go to roof pitch calculator.

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.