How Do You Figure Shingles For A Roof

How to use roof calculator.

How do you figure shingles for a roof.

To do this you need to note that one tab will be equal to 1 foot. Measure your roof accurately. Outside of the u s a degree angle is typically used. Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30.

Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level. Approximate price in dollars the estimate of a final price will depend to a large degree. Enter appropriate roof pitch slope. 3 determine the bundles of shingles needed to cover the roof.

It takes 3 bundles to cover a square if you use 3 tab shingles the most common type. When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles. A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials. Roof type either gable or hip using these four inputs you will get several basic outputs.

Singles are often sold in bundles with three bundles equaling one roof square. How many rolls of felt will you need. Use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. This roof shingle calculator requires four basic inputs.

Enter your zip code. You will then have to get the measurement of the rake of the roof. Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

Roof length measured in feet roof width measured in feet roof pitch. The number of squares determines the amount of shingles needed. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Roofing felt is sold by the roll.

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. From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter. Divide the total footage by 100 to determine the number of squares in the roof. Mark a length of 1 foot 0 30 m on a long level starting from one end.

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. With that as background you are now ready to estimate how many shingles you will purchase for your roof project. Roof area measured in sq ft number of squares. Our calculator will help you estimate the amount of roofing shingles needed for your project plus the cost of materials and accessories.