How To Measure Up A Roof For Shingles

Then each measurement is recorded on the diagram applicable to that roof surface.

How to measure up a roof for shingles.

Alternatively you can purchase a measuring wheel from your local hardware store. L h 2 area calculating an area of a triangle when estimating a roof. 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. To figure out the area of a square or rectangular room measure length and width and multiply them together to get the.

How to measure a roof for shingles step by step the process of accurately measuring a roof involves first making a diagram of the roof to show the basic shapes of each roof plain and how they relate to one another. 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. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Keep in mind that this estimation won t include any areas like garages or enclosed patios that the roof covers.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. Outside of the u s a degree angle is typically used. Thus in a simple style house you ll only have to click on the corners. 100 1 054 105 4ft 2.

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. The length l times the height h of a triangle is twice its area a2. If you use a measuring tape you ll need someone to hold the tape while you measure the area. Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.

Record the measurements on your sketch of the roof. If you have a simple gable roof you ll only need to measure and sum up the 2 planes of the roof. Find the square footage of the roof. Roof pitch area multipliers.

Climb onto your roof and measure each section by its height and width. For example a 4 12 pitch roof that is 100 square feet. Go up to your roof and physically measure it. To do this you need to note that one tab will be equal to 1 foot.

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. Use our roof pitch calculator to find the pitch of your roof. You will then have to get the measurement of the rake of the roof. Required measurements include the following.

If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. 1 roof square 100 square feet. Use your measurements to. The pitch of the roof is the rise over a 12 inch run.