How Do You Measure A Roof For Shingles

It s a good idea to add an extra 10 to your estimated material requirements to account for waste and ensure that you have enough shingles to cover your roof when it s all said and done.

How do you measure a roof for shingles.

To get the slope of your roof based on degrees roof rise or x inches per 12 run use our roof pitch calculator. The length l times the height h of a triangle is twice its area a2. Steep slope roof pitch of 12 or 45 degrees. To measure for roofing shingles start by calculating the area of each plane or section of the roof.

Alternatively you can purchase a measuring wheel from your local hardware store. Then each measurement is recorded on the diagram applicable to that roof surface. Then multiply that number by 3 to figure out how many shingle bundles that amounts to since shingles typically come in a bundle that s large. For a 12 000 sq ft 1 100 m 2 roof you ll need a minimum of 120 squares.

Once you work through the basic triangle we will review a typical roof and how to apply some simple math to calculate how much material you will need for a roof used in our hypothetical example. Otherwise use the table or diagram below. Required measurements include the following. If you have a more complex roof you should look at adding around 5.

Next divide your total area by 100 to calculate the number of roofing squares you ll need to buy. 1 roof square 100 square feet. Using the above example that would be 132 squares. As you begin shopping for materials you might wonder how to measure a roof for shingles.

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. This will give you some leeway for breakage and any other form of shingle waste. Most roofers will recommend adding 1 to the number of shingles you get to account for the waste.

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. After all roofing materials vary greatly in cost and are priced per square foot. This will allow you to measure the area by. Enter appropriate roof pitch slope if you do not know how to calculate roof pitch see our guide.

To determine the size of your roof contact a professional roofer who can measure your roof and provide an estimate for the roofing project. Medium steep slope roof pitch of 9.