1 12 Roof Pitch Shingles

1 12 pitch roof if this is a porch on a trailer use corrugated sheet material can be found at lowes.

1 12 roof pitch shingles.

Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. Flat and nearly flat roofs a pitch of 1 in 12 or 2 in 12 cannot be covered with shingles or shakes of any material since there is not enough angle to combat the danger of blow off. Comes in colors and an opaque color which would allow light into the area below.

Clay or cement tiles can be used on a wide range of roof pitches. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. Slopes above 19 12 are not recommended since tiles on very steep roofs can rattle. Additional underlayment protection with special application methods are required when asphalt shingles are installed on a low slope roof following the manufacturer s application instructions.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Metal roof shingles require a minimum roof pitch of 3 12 or greater. For pitches of 2 5 12 up to 4 12 the roof requires double underlayment. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

Wood shakes require a minimum roof pitch of 3 12 or. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options. 4 12 to 20 12 pitches. 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.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Asphalt shingles should never be applied to roof slopes below 2 12 2 of vertical rise for every 12 of horizontal run or 9 5.