How to measure a roof

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One of the first thing you must know is that roofs are pitched so simply measuring the perimeter of your house will not give you the correct dimensions. Rapid Squares, Blueprints, Gutter. You can return the unopened bundles. How to calculate square feet of a roof?

What is the best way to measure a roof? How do you calculate the square footage of a roof? Find the length and width of the building’s exterior walls. Stretch your tape measure along the walls from end to end. Calculate the pitch of the roof.

The pitch is the steepness of the roof. 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). So if you divide your answer of a product of length times height by two, you will get the area of a triangle.

Make sure to document the number of chimneys, skylights or other obstructions and include dormers in your measurements. In the United States, a run of inches (foot) is use and pitch is measured as the rise of the roof over inches. The hip style roof is in blue and the gable style roof is in red. Step 1: Roughly draw out your roof on a piece of paper.

Select the style that best matches your project and move on to step 1. It does have to contain all the straight lines of your roof and an accurate measurement of. 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. Thus, in a simple style house, you’ll only have to click on the corners. If you were to click on the peaks it wouldn’t give you an accurate reading of your measurement.

Other articles from diyroofs. To measure the roof pitch, you'll need an 18- or 24-inch level , a tape measure , and a pencil. First, measure inches from one end of the level and make a mark. Then, in the attic, place the end of the level against the bottom of a roof rafter and hold it perfectly level. Order now at ChromeBurner Motorgear.

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Reliable Roof ing Experts. Open Monday-Friday. In this case, you would simply measure the base footprint of your home (length x width). Conversely, you could measure the roof from the ground using a very rough approximation.

You would then consider the pitch of your roof (i.e. how steep it is), in order to apply a slope multiplier. Trying to measure from the ground works if you have a gable roof , but what if you have a more complex type of roof ? This will put a pin on the location and the image field will zoom to the location and center itself on the pin so that you can see your roof: View fullsize. You will need to express this size in terms of square feet. The first step in a free roofing estimate is measuring the roof dimensions.

Keep in mind that the average size of a roof is 7square feet, so your total will likely be higher or lower than this figure. Measure the length of your roof. This is done by measuring from one outside edge of your roof to the opposite. Determine the width of the metal you are installing. It is often compared to slope, but is not exactly the same.

To measure the roof pitch, you'll need an 18- or 24-inch level, a tape measure , and a pencil. Hold the level horizontally so that the end of the level touches the roof about inches above the bottom of the roof. Write the roof slope as the ratio of rise over run, or vertical distance over horizontal distance. For example, standing seam metal roofing is inches wide.

Quick Low-Cost Shipping. Enter the address of the building you want to measure in the search field and click on “Search”: View fullsize.