Estimate Roof Shingles Needed

High wind areas and other types of shingles may need more.

Estimate roof shingles needed.

Underlayment usually comes in rolls of 4 squares each. Thus a key element in your project will be the roofing material calculator and more specifically the roof shingle calculator. To estimate the correct amount of materials and accessories needed for the job follow the steps below. Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch.

When you are replacing your roof you need to calculate the number of roof shingles you 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. You will also need 5 nails for each starter shingle. So in the gable roof example above you would need 240 squares of underlayment.

How shingle quantities are measured. For example you will need to figure out the exact number of shingles required to cover the entire roof area. Estimate how many roofing nails you ll need. There is nothing worse than being short on shingles because you will only realize this close to the end of your project.

A square of shingles is the quantity needed to cover 100 sq. How to calculate roof shingles needed. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. How to calculate the amount of roof shingles you need.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. The more accurate your estimates the less time you ll waste waiting for material deliveries during the project. Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. 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.

Roof shingles are sold by both the bundle and by the square. For a new roof you will also need the same amount of underlayment. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. At 4 nails per field shingle that s about 320 nails per square.

For high wind areas use 6 nails per shingle or 480 nails per square. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. Once you know this number you can estimate the final price of the materials.