How Many Roof

Divide the length of your roof by the width of the metal.

How many roof.

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. 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. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. The best part of a roofing calculator is that it offers a free insight into the total cost of the replacement roof project on a sq ft basis.

As you begin to calculate various costs you will see that the cost is a result of the interplay of many different variables including roof area in terms of footage measurement of any roof extras like. Luckily there is a basic formula you can use to determine this. For example standing seam metal roofing is 24 inches wide. Outside of the u s a degree angle is typically used.

Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. Calculate or enter the square footage of the attic or area to be vented. In our example we will use 24 inch standing seam roofing so we will divide 360 inches by 24 which equals 15. The roof shingle calculator is a free estimator that serves a useful purpose during any roof repair or replacement project.

The most common lengths are 8 10 12 and 16 however many distributors will cut to length. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Estimate how many roofing nails you ll need. A roof vent is a type of fixture installed on your roof that exhausts hot air.

For high wind areas use 6 nails per shingle or 480 nails per square. You will also need 5 nails for each starter shingle. A 12 in 12 pitch is a steep 45 degree angle roof. See the image below for more explanation on rise run and pitch.

This is the number of metal panels needed for one side of the roof. Once you enter the basic roof dimensions and enter the type of roof you will get a very accurate result telling you exactly the amount of shingles that are required to cover your new roof. At 4 nails per field shingle that s about 320 nails per square. The size of your roof and attic space will determine how many roof vents you need.

The most common widths are 24 and 36 exposed but the actual width of the panel will be larger to accommodate an overlap.