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.
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.
4 12 to 20 12 pitches.
This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
Wood shakes require a minimum roof pitch of 3 12 or.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
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.
For pitches of 2 5 12 up to 4 12 the roof requires double underlayment.
Wood shingles require a minimum roof pitch of 3 12 or greater.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
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.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
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.
Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.
Clay or cement tiles can be used on a wide range of roof pitches.
Comes in colors and an opaque color which would allow light into the area below.
Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.