Our patented technology calculates square footage and linear measurements for the roof siding windows trim and more.
How to measure roofing on a 840 sq ft home.
Roof area measured in sq ft number of squares.
Approximate price in dollars the estimate of a final price will depend to a large degree on the overall size of your home i e.
You will need to express this size in terms of square feet.
The average roof is 3 000 square feet or around 30 squares.
Once the digital property is complete you will receive detailed exterior measurements and an interactive 3d model to help homeowners design their projects.
Roof type either gable or hip using these four inputs you will get several basic outputs.
To find square feet multiply the length measurement in feet by the width measurement in feet.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
8 inches and you have an 8 in 12 pitch.
If this distance measures 4 inches you have a 4 in 12 pitch.
Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
This yields a product called the area which is expressed in square feet or square inches if you are calculating a much smaller space such as a dollhouse.
In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area.
Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.
For example if you are buying carpet for a room that is 12 feet long and 10 feet wide.
To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet.
The calculator cannot account for complex shapes based on a measurement of square footage alone.
Roofing material is estimated by the square which is equal to 100 square feet.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
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.
Just snap a few photos of the exterior of the house with the hover app and our patented technology will take it from there.
Pitch measurement method 1 1.
The total amount of roofing material you need is 17 300 1 730 19 030 square feet.
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