How To Estimate Roofing

The following tools estimate the area of a roof as well as the amount of materials necessary to construct a roof of a given area.

How to estimate roofing.

The roof area is simply 114x18x2 plus 30x18x2 giving 5184 square feet which is perfectly adequate for estimating materials. To accurately calculate the area of your roof you must first determine its slope or pitch. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.

For instance if the roof is 1550 square feet then it is 16 squares. Approximate price in dollars the estimate of a final price will depend to a large degree on the overall size of your home i e. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Roof type either gable or hip using these four inputs you will get several basic outputs.

This is a rather complicated way to estimate a roof area and hardly suited to the diy fans. All pricing information on this page is based on average industry costs and is subject to variance for project specific materials labor rates and. This is simply 100 square feet of roof. Roof width measured in feet roof pitch.

How to estimate roofing materials. The first step in a free roofing estimate is measuring the roof dimensions. To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof. However if you use premium materials such as metal wood shingles clay tile etc the cost of your roof will be at least 9 500 16 000.

Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. You will need to express this size in terms of square feet. From the diagrams there are two intersecting roofs measuring 114 feet and 30 feet at the eaves with equal rake of 18 feet.

To find the squares divide the overall roof area by 100 and then round up. Ranch house using asphalt roof shingles. Roof area measured in sq ft number of squares. Roofing cost can vary widely depending on the size and complexity of your roof type of materials you use as well as your location.

The house base area is the area of land that the house covers and for more complex shapes can be estimated using the area calculator. Our calculator will estimate your total roofing cost installed including the cost of materials labor and warranty for any major type of roof including 3 tab asphalt shingles architectural and premium composition shingles pvc tpo epdm rubber built up roofs cedar shakes and shingles clay tiles natural slate and metal roofing.