Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.
How to figure sq ft of roof.
Enter measurements in us or metric units.
The answer is the number of roofing squares for the roof.
This is simply 100 square feet of roof.
Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed.
Your roof line is not going to be the same as the square footage in your home.
To accurately calculate the area of your roof you must first determine its slope or pitch.
The first step in a free roofing estimate is measuring the roof dimensions.
Of the rest of the roof.
You will need to express this size in terms of square feet.
Convert the area to roofing squares.
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.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
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.
Calculate square footage square meters square yardage and acres for home or construction project.
You will need to measure the length and height of you roof to calculate how many bundles you need to purchase.
A square simply refers to a 10 x 10 square of roofing.
Enter square footage calculate or enter the square footage of the attic or area to be vented.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
Calculate square feet meters yards and acres for flooring carpet or tiling projects.
The total amount of roofing material you need is 17 300 1 730 19 030 square feet.
How to calculate square footage for rectangular round and bordered areas.
Calculate project cost based on price per square foot square yard or square meter.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
If you have valleys and or dormers you will need to measure and calculate those by adding their sq.
To find the squares divide the overall roof area by 100 and then round up.