Estimate Roof Shingles Needed

How to calculate the amount of roof shingles you need.

Estimate roof shingles needed.

Underlayment usually comes in rolls of 4 squares each. There is nothing worse than being short on shingles because you will only realize this close to the end of your project. Keep in mind that a drip edge will be needed to protect the edge of the roof from rot vents and other materials such as flashing or caulk. Estimate how many roofing nails you ll need.

Our calculator will help you estimate the amount of roofing shingles needed for your project plus the cost of materials and accessories. Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. 320 nails will be needed to install a square of standard 3 tab shingles assuming four nails per shingle and 80 shingles per square.

To estimate the correct amount of materials and accessories needed for the job follow the steps below. For example you will need to figure out the exact number of shingles required to cover the entire roof area. Thus a key element in your project will be the roofing material calculator and more specifically the roof shingle calculator. High wind areas and other types of shingles may need more.

How shingle quantities are measured. You will also need 5 nails for each starter shingle. Roof shingles are sold by both the bundle and by the square. At 4 nails per field shingle that s about 320 nails per square.

Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch. So in the gable roof example above you would need 240 squares of underlayment. A square of shingles is the quantity needed to cover 100 sq. For a new roof you will also need the same amount of underlayment.

The more accurate your estimates the less time you ll waste waiting for material deliveries during the project. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. How to calculate roof shingles needed.

Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.