How To Figure Roofing

To accurately calculate the area of your roof you must first determine its slope or pitch.

How to figure roofing.

Roof pitches are described in terms of rise and run. Calculate or enter the square footage of the attic or area to be vented. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. The rise is the distance from the top of a stud wall to the peak of the roof.

Below there is a simple triangle and the math used to work out. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. To figure out your roof s area a simple geometry can be used. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.

Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. You will need to express this size in terms of square feet. To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.

Post author december 10 2019 at hi steve so malarkey legacy shingles fall into the mid premium asphalt shingles category for estimating purposes. The first step in a free roofing estimate is measuring the roof dimensions. The price of malarkey legacy roof will be higher compared to say a mid range gaf timberline shingles roof. If you re thinking about replacing your roof with a new one you will need a roof truss calculator.

This online truss calculator will determine the all in cost of your truss based on key inputs related to the pitch width and overhang of your roof. Roofing is measured in squares. 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. 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.

The run is the distance from the outside edge of a perimeter stud wall to the center of the house. The key is to be as accurate as possible since falling short or an overage could mean thousands of dollars when planning your roofing budget. To accurately calculate the area of your roof you must first determine its slope or pitch.