Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed.
Roof sheet coverage calculator.
Our roof calculator uses base length and base width to find the estimated area.
The roof shingle calculator is a free estimator that serves a useful purpose during any roof repair or replacement project.
Cover width entry in meters eg.
Enter the diameter of the roof ridge vent gap 1 3 finally enter the coverage area width of the panels you plan to buy.
For cover width sizes please refer to our fibreglass or polycarbonate roof sheeting pages.
Roofing calculator 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.
Panels are often measured in inches use our inches to feet conversion calculator to convert to feet.
The base length is simply the distance from the second corner to the third corner on the house s long side.
Width of area to cover.
So dividing the area of the roof by 32 will give you the number of sheets needed.
A 4 8 sheet of plywood is 32 ft 2.
Divide the length of your roof area by 0 760 to determine the number of sheets you need.
For instance a 38 panel will have an effective coverage width of 36.
Use our roof pitch calculator to find the pitch of your roof.
The base width is the distance from one corner of your roof to the other at its base on the short side of your house.
The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim.
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.
4 3 sheets will be 5 sheets required.
Number of roof sheets rounded off to highest number eg.
686mm 0 686 3.
For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.
Measure the length and width in feet then multiply together to find the square footage.
Next find the square footage of the metal roofing panels you want to use.
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.
For example a structure that s 6 0m long is 6000 760 7 89 sheets.
Roofing calculator work out how many sheets of polycarbonate you need to buy to effectively cover your roof area width of structure m.