Each square is 100 square feet.
How to measure roofs squares.
Calculating an area of a triangle when estimating a roof.
If your roof is 5 000 square feet.
Pitch measurement method 1 1.
Step 1 understand your roof surface.
A home s roof is measured in squares.
The length l times the height h of a triangle is twice its area a2.
Be sure to find the area of any dormers on your roof as well.
1 roof square 100 square feet.
If the house has an irregular shape measure each part separately figure the separate areas and add them together.
Step 2 section the roof.
How to measure roof square.
Because each 100 square feet of roof is one.
If this distance measures 4 inches you have a 4 in 12 pitch.
This means that you want to divide the roof into sections.
With this method only 2 calculations are needed.
A square simply refers to a 10 x 10 square of roofing.
This is simply 100 square feet of roof.
To find the squares divide the overall roof area by 100 and then round up.
Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements.
If a section is 120 feet 37 m x 100 feet 30 m its total square footage would be 12 000 square feet 1 100 m 2.
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.
Step 3 consider the roof slope.
Convert the area to roofing squares.
How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Step 4 take ground measurements.
If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.
Notice the bold dotted line this dotted line separates the main roof from the gable pop out on the front of house.
Make a note of the square footage of each square or rectangular section on your diagram.
The easiest and most accurate method to measuring a roof plan is to square everything off.
Just multiply the length and width dimensions.
8 inches and you have an 8 in 12 pitch.