Estimate Roof Shingles Needed

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.

Estimate roof shingles needed.

At 4 nails per field shingle that s about 320 nails per square. To estimate the correct amount of materials and accessories needed for the job follow the steps below. Our calculator will help you estimate the amount of roofing shingles needed for your project plus the cost of materials and accessories. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.

For a new roof you will also need the same amount of underlayment. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.

Underlayment usually comes in rolls of 4 squares each. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Thus a key element in your project will be the roofing material calculator and more specifically the roof shingle calculator. How to calculate roof shingles needed.

You will also need 5 nails for each starter shingle. Estimate how many roofing nails you ll need. 320 nails will be needed to install a square of standard 3 tab shingles assuming four nails per shingle and 80 shingles per square. How shingle quantities are measured.

So in the gable roof example above you would need 240 squares of underlayment. Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch. Once you know this number you can estimate the final price of the materials. How to calculate the amount of roof shingles you need.

For example you will need to figure out the exact number of shingles required to cover the entire roof area. High wind areas and other types of shingles may need more. The more accurate your estimates the less time you ll waste waiting for material deliveries during the project. There is nothing worse than being short on shingles because you will only realize this close to the end of your project.

Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. 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. When you are replacing your roof you need to calculate the number of roof shingles you need.