How To Measure Up A Roof For Shingles

For example a 4 12 pitch roof that is 100 square feet.

How to measure up a roof for shingles.

You will then have to get the measurement of the rake of the roof. Use your measurements to. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Outside of the u s a degree angle is typically used.

To do this you need to note that one tab will be equal to 1 foot. Use our roof pitch calculator to find the pitch of your roof. To figure out the area of a square or rectangular room measure length and width and multiply them together to get the. 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.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. If the existing shingles are standard 3 tab shingles you can get this measurement by taking note of the number of tabs along the eaves and ridges then determine the length in feet. Thus in a simple style house you ll only have to click on the corners. Measure the length and width of each portion of the roof multiply length by width for each plane and then add the planes together for the total square footage.

Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. How to measure a roof for shingles draw a diagram of your roof. The first step in measuring your roof is to get a basic idea of the area you will be. 1 roof square 100 square feet.

Go up to your roof and physically measure it. Find the square footage of the roof. Alternatively you can purchase a measuring wheel from your local hardware store. Climb onto your roof and measure each section by its height and width.

L h 2 area calculating an area of a triangle when estimating a roof. Required measurements include the following. The length l times the height h of a triangle is twice its area a2. 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 of the roof is the rise over a 12 inch run. Record the measurements on your sketch of the roof. If you use a measuring tape you ll need someone to hold the tape while you measure the area. Then each measurement is recorded on the diagram applicable to that roof surface.

If you have a simple gable roof you ll only need to measure and sum up the 2 planes of the roof. Roof pitch area multipliers. Keep in mind that this estimation won t include any areas like garages or enclosed patios that the roof covers. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.