How To Meaure Roof

Remember that the length and width need to be found for the roof not the house so take into account that the roof overhangs the building.

How to meaure roof.

Stow these items in a shoulder or hip pack while. To find the pitch of your roof you ll first. The length l times the height h of a triangle is twice its area a2. Climb a ladder with a notepad a pencil and a measuring tape.

Use a pitch. Each area on the roof is a single plane which just means it s a surface with a. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. It does have to contain all the straight lines of your roof and an accurate measurement of those lines.

Measuring your roof from the ground 1. Outside of the u s a degree angle is typically used. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Roughly draw out your roof on a piece of paper.

Locate the level s 12 inch mark. 1 roof square 100 square feet. The most precise way to find the roof s slope is by measuring it from the underside. You will need to express this size in terms of square feet.

Stretch your tape measure along the walls from end to end. For example what we need on the picture of the roofs below are measurements of all the blue or red lines. 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. Find the length and width of the building s exterior walls.

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. Use a level against the underside of the rafter you re measuring to get the most accurate value. The pitch is the steepness of the roof. Thus in a simple style house you ll only have to click on the corners.

Calculate the pitch of the roof. Finding the total roof area. L h 2 area calculating an area of a triangle when estimating a roof. Draw an overhead view of your roof.

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. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Access one of the rafters then take the measurement this way. This can be done by multiplying the length in feet by the width in feet to get the area measurement.

Remember it doesn t have to be to scale or look pretty. Measuring the length and width of each plane by hand 1. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.