This roof shingle calculator requires four basic inputs.
How are 10 12 pitch roofs shingled with slate.
Roof length measured in feet roof width measured in feet roof pitch.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.
14 04 thatch see note below 12 in 12.
100 1 054 105 4ft 2.
Like most shingles rubber shingles need at least a 2 12 pitch.
Which means for every 12 inches the roof rises 2 inches.
Roofing material is estimated by the square which is equal to 100 square feet.
18 43 synthetic composite plastic shingles slates tiles with special underlayment requirements 3 in 12.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
Wood and slate shingles are used in many of the same types of roofs as asphalt composite shingles but may not be appropriate for roofs near the lower end since they are more susceptible to leaking.
In 12 0 25 in 12 1 19 synthetic composite plastic shingles slates tiles.
Wood shakes require a minimum roof pitch of 3 12 or greater.
The roofs pitch will determine what types of materials you can use.
Wood and slate shingles do not lock together as tightly as other types of shingles.
Generally a slate roof is not installed on a pitch less than 4 12.
Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.
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.
As per the nrca roofing and waterproofing manual fifth edition they recommend that roof deck slopes intended for the application of steep slope materials at 4 12 18 degrees or greater page 405.
The slope of a roof is often referred to as the roof s pitch.
For example a 4 12 pitch roof that is 100 square feet.
Wood shingles require a minimum roof pitch of 3 12 or greater.
Unlike tiled roof systems like stone slate clay tiles concrete tiles etc.
A steep roof with a 10 on 12 pitch uses about 25 30 more shingles than a 5 on 12 pitch roof the same size.
You can click here to read an article i wrote about how to find the slope of your own roof.
Built up roofs require a minimum roof pitch of 1 4 12 or greater.
Use our roof pitch calculator to find the pitch of your roof.
5 12 to 12 12 pitch.
Roof pitch area multipliers.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
18 43 spray polyurethane foam.
Rubber shingles or rubber slate is walkable.
The average roof is 3 000 square feet or around 30 squares.
In 12 0 25 in 12 1.
