How To Measure To Make A Roof

1 roof square 100 square feet.

How to measure to make a roof. Measuring your roof from the ground 1. Roof reports and wall reports made easy. We ll use satellite imagery and trigonometry to calculate your roof s measurements. For image 1 2 find the area of all sections of the roof and then add them together to find the total area of the roof.

Find the length and width of the building s exterior walls. Outside of the u s a degree angle is typically used. Thus in a simple style house you ll only have to click on the corners. 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 you were to click on the peaks it wouldn t give you an accurate reading of your measurement. The pitch is the steepness of the roof. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.

What you ll need to measure a roof. It is often compared to slope but is not exactly the same. Area of section a 20 x 60 1200 sqft. To find the pitch of your roof you ll first.

If your roof has overhangs eyeball them and add the approximate length to your measurements. Calculate the pitch of the roof. So if you divide your answer of a product of length times height by two you will get the area of a triangle. The length l times the height h of a triangle is twice its area a2.

The first thing you ll need to measure is the square footage of your roof. Before you start cutting you first need to determine how long your roof rafters need to be and the angles at which you ll cut the top and bottom of the rafter. Position your ladder at the corner of one of your roof planes to determine the 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.

Stretch your tape measure along the walls from end to end. Use a tape measure to measure the entire width of your building. Use a pitch. L h 2 area calculating an area of a triangle when estimating a roof.

Extend your measuring tape as far as you can along the length of your roof and mark the area. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. The positive roof measuring method requires you to break the roof up into measurable sections.