Find the total square footage of your roof by multiplying the width by the length and then divide that number by 100 and you will get the number of squares you need to cover.
How many square ft in a roof square.
2 roofing squares to square feet 200.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
If for example the total square footage for the examples used so far would be 14 400 the rectangular plane plus 900 the triangle plus 2 000 the irregular shape 17 300 square feet.
The result is the total square footage of your roof.
A square simply refers to a 10 x 10 square of roofing.
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.
The top ridge will be shorter than the one of the gable roof but the four hips will add to the ridge length.
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.
Cecil venturella march 3.
The square footage of a roof is normally measured in squares of 100 feet.
For instance if the roof is 1550 square feet then it is 16 squares.
Check that your footage measurements are within this range so you can start off on the right foot.
Outside of the u s a degree angle is typically used.
80 roofing squares to square feet 8000.
Each square will need three bundles of shingles to cover it.
The square footage of a hip roof area is identical to the square footage of a gable roof of the same size.
Link to your exact conversion.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
This is simply 100 square feet of roof.
Add the square footage for all the planes together.
To find the squares divide the overall roof area by 100 and then round up.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
The only difference in this calculation to the one for a gable roof area is the amount of the ridge.
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.
Next you will need to use a roofing materials calculator.
1 roofing squares to square feet 100.
70 roofing squares to square feet 7000.