How To Measure Your Roof

Run the distance from the outside edge of a perimeter stud wall to the center of the house.

How to measure your roof.

If the pitch of the roof is not that steep you won t have to worry too much about following. The run always remains. How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. Use a pitch.

To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Calculate the pitch of the roof. Remember it doesn t have to be to scale or look pretty. L 30 feet h 12 feet 30 12 2 180 square feet.

Stretch your tape measure along the walls from end to end. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. To find the pitch of your roof you ll first. Here s an easy safe way to determine the pitch from inside your attic.

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. Roughly draw out your roof on a piece of paper. Measuring your roof from the ground 1. First measure 12 inches from one end of the level and make a mark.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. 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.

The length l times the height h of a triangle is twice its area a2. Find the length and width of the building s exterior walls. You should do this with someone that can hold one end of the tape measure so you can go to the other ends. 1 roof square 100 square feet.

For example what we need on the picture of the roofs below are measurements of all the blue or red lines. Roof pitch is measured by rise run rise the distance from the top of a stud wall to the peak of the roof. Thus in a simple style house you ll only have to click on the corners.