Manually Measuring A Roof

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.

Manually measuring a roof.

The length l times the height h of a triangle is twice its area a2. Easy to use roof measurement software quickly measure roofs with pinpoint accuracy from your desk or in the field. 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. 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.

The pitch is the steepness of the roof. Reduce the need for on site visits. Our tool allows you to outline roofs identify roof features edges identify the pitch of each facet and add pins to roof attributes that will help you price your roofing project. If it doesn t have this mark use a tape measure to locate the mark and draw a mark on it.

L h 2 area calculating an area of a triangle when estimating a roof. We use the level to measure out from the roof surface horizontally for a distance of 12. Thus in a simple style house you ll only have to click on the corners. Roughly draw out your roof on a piece of paper.

The most precise way to find the roof s slope is by measuring it from the underside. Find the length and width of the building s exterior walls. Use a pitch. Take the measurement of the vertical distance from the rafter to the level.

First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. Remember it doesn t have to be to scale or look pretty. 1 roof square 100 square feet. Access one of the rafters then take the measurement this way.

Roof reports and wall reports made easy. So if you divide your answer of a product of length times height by two you will get the area of a triangle. It does have to contain all the straight lines of your roof and an accurate measurement of those lines. Outside of the u s a degree angle is typically used.

Stretch your tape measure along the walls from end to end. Locate the level s 12 inch mark. Use a level against the underside of the rafter you re measuring to get the most accurate value. To find the pitch of your roof you ll first.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. As with measuring roof slope on the roof inside the attic allw e need is a simple carpenter s level and a tape measure. Remember it doesn t have to be to scale or look pretty. Then from that point on our level we measure the distance straight up to point of contact with the roof surface.

We ll use satellite imagery and trigonometry to calculate your roof s measurements.