How Much Pitch On 12 Foot Roof

There are advantages and disadvantages to having a steep pitch versus a shallow or low pitch the most obvious of which is the roof s ability to shed or withstand heavy snow rain or wind.

How much pitch on 12 foot roof.

If this distance measures 4 inches you have a 4 in 12 pitch. In roofing it is expressed in inches of vertical rise over inches of horizontal run. The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.

8 inches and you have an 8 in 12 pitch. The ibhs recommends a 4 to 6 pitch roof. This is for the top level of a 3 story building that is 26 by 64. One engineer recommends a 12 12 pitch for the new roof while another recommends a 7 12 pitch.

The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run. A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.