Houw To Measure To Roof

L 30 feet h 12 feet 30 12 2 180 square feet.

Houw to measure to roof. The pitch is the steepness of the roof. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. Stretch your tape measure along the walls from end to end. Most roofing contractors typically measure a roof by calculating the area of a roof and then adding on 10 for possible waste.

First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. 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. The first step in a free roofing estimate is measuring the roof dimensions. 1 roof square 100 square feet.

Add all your measurements together to get your total square footage. The length l times the height h of a triangle is twice its area a2. When roofing contractors are in high demand such as they are in florida after a hurricane this way of estimating a roof may be okay but in a tighter market you may need to have sharper estimating skills in order to compete with your competitors and make a profit. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

Use a pitch. Find the length and width of the building s exterior walls. Remember it doesn t have to be to scale or look pretty. To find the pitch of your roof you ll first.

Outside of the u s a degree angle is typically used. You will need to express this size in terms of square feet. 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. The hip style roof is in blue and the gable style roof is in red.

Select the style that best matches your project and move on to step 1. Measuring your roof from the ground 1. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Roughly draw out your roof on a piece of paper.

Measure all your hips valleys ridges eaves and rakes.