Things you will need steel tape measure.
Roof square footage pitch.
Roof pitch is used to describe the slope or angle of the roof.
It is often compared to slope but is not exactly the same.
A roof with a 6 rise for every 12 run has a 6.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
The costs for foam roofing on a 1 100 1 500 2 400 and 3 000 square foot home are 7 535 10 275 16 440 and 20 550.
Dividing by 12 gives the ratio of inches in rise per distance.
See the image below for more explanation on rise run and pitch.
You will need to express this size in terms of square feet.
Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.
Divide your roof pitch by 12.
The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
Roof pitch is given as the number of inches in height change over the distance of one foot.
Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area.
To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.
The first step in a free roofing estimate is measuring the roof dimensions.
Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
Get your roof size by using this roof pitch calculator.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
Roof is 6 12 pitch and measures at 2 400 square feet so 2400 x 1 12 2 688 2 88 sqs added for pitch.
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.