Roof Pitch 1

Display of roof pitches 1 12 through 18 12.

Roof pitch 1.

Often you express roof pitch as the ratio between the rise and the run in the form of x 12. In the usa the range of standard pitches is anywhere between 4 12 and 9 12. How to calculate the pitch of a roof method one. With insufficient pitch a roof can leak rain and with a pitch too great its stones will fall loose.

Another method to find the roof pitch is to go into the attic and measure the rise. Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. Roof pitch refers to the slope which the rafter creates. One method to find the pitch is to climb on the roof and measure the rise for a 12.

Roof pitch varies depending on culture climate style and available materials. In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally. In the uk the typical house has a pitch between 40 50 although 45 should be avoided. Measure from the attic.

Measure from the roof.