How Is A Roof Measured

First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.

How is a roof measured. Estimate or calculate the pitch of your roof low medium or high. Bring a two foot level. Run the distance from the outside edge of a perimeter stud wall to the center of the house. For the latter measurements should ideally subtract the space taken up by those penetrations such as roof mounted ac units and skylights.

1 roof square 100 square feet. With roofing software you can simply trace the footprint of such objects and subtract them from the total measurement. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Start by measuring the width and length of your roof including dormers.

Finally the more complex part measuring your roof s pitch. We ll use satellite imagery and trigonometry to calculate your roof s measurements. Roof reports and wall reports made easy. Thus in a simple style house you ll only have to click on the corners.

Climb to the peak of your roof. Multiply width x length this will give you the roof s square footage of one plane. It is often compared to slope but is not exactly the same. Once you have this measurement you can then measure the footprint of the home and estimate the actual roof calculation based on the particular angle of the roof.

This will make the basis of your material order significantly more accurate. Use a pitch. Measuring your roof from the ground 1. 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.

To calculate the total square footage of the roof add up every plane s square footage. Stretch your tape measure along the walls from end to end. The run always remains. Find the length and width of the building s exterior walls.

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. Roof pitch is measured by rise run rise the distance from the top of a stud wall to the peak of the roof. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Calculate the pitch of the roof.

L h 2 area calculating an area of a triangle when estimating a roof. Roof pitch roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.