How Are 10 12 Pitch Roofs Shingled With Slate

Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
How are 10 12 pitch roofs shingled with slate. For example a 4 12 pitch roof that is 100 square feet. This roof shingle calculator requires four basic inputs. Which means for every 12 inches the roof rises 2 inches. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
18 43 synthetic composite plastic shingles slates tiles with special underlayment requirements 3 in 12. Roofing material is estimated by the square which is equal to 100 square feet. 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. Wood shingles require a minimum roof pitch of 3 12 or greater.
Rubber shingles or rubber slate is walkable. Wood shakes require a minimum roof pitch of 3 12 or greater. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Roof pitch area multipliers.
Built up roofs require a minimum roof pitch of 1 4 12 or greater. Roofs that are anywhere between a 3 pitch and straight up and down 45 degree wall can be covered with architectural shingles. The roofs pitch will determine what types of materials you can use. Generally a slate roof is not installed on a pitch less than 4 12.
Roof length measured in feet roof width measured in feet roof pitch. In 12 0 25 in 12 1 19 synthetic composite plastic shingles slates tiles. 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. Unlike tiled roof systems like stone slate clay tiles concrete tiles etc.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. With that as background you are now ready to estimate how many shingles you will purchase for your roof project. 100 1 054 105 4ft 2. 18 43 spray polyurethane foam.
The average roof is 3 000 square feet or around 30 squares. Use our roof pitch calculator to find the pitch of your roof. 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. Like most shingles rubber shingles need at least a 2 12 pitch.
In 12 0 25 in 12 1. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. 5 12 to 12 12 pitch. The slope of a roof is often referred to as the roof s pitch.
You can click here to read an article i wrote about how to find the slope of your own roof. 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. Wood and slate shingles do not lock together as tightly as other types of shingles.