686mm 0 686 3.
Roof sheet coverage.
Number of roof sheets rounded off to highest number eg.
The result is the number of sheets required.
Divide the total roof area by the effective area of a single sheet and round up the result to the next whole number.
When it comes time to buy material to install or repair your metal roof you ll need to do some calculating.
So dividing the area of the roof by 32 will give you the number of sheets needed.
The traditional material used to cover a temporary roof scaffolding sheets of corrugated iron.
Each plywood sheet is 4 x 8 feet or 32 square feet which coincidentally is almost exactly equivalent to the coverage of one bundle of traditional three tab shingles.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
For cover width sizes please refer to our fibreglass or polycarbonate roof sheeting pages.
Enter the diameter of the roof ridge vent gap 1 3 finally enter the coverage area width of the panels you plan to buy.
Please consider both resistance to wind pressure and foot traffic for roofing spans.
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.
Another rule of thumb that can give you a ballpark estimate of the roof area on newly built roofs is to look at the number of sheets of plywood used for the roof deck.
4 3 sheets will be 5 sheets required.
For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.
Cover of roofing sheet.
For instance a 38 panel will have an effective coverage width of 36.
Ie the cover of a corrugated roof sheet is 760mm or 76 metre.
However each of these widths also provides for 2 inch.
Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed.
The length of roof sheets are manufactured to your requirements.
Cover width entry in meters eg.
To determine how much roof material you need for your project you should know how it is sold.
Metal roofing comes in 24 and 36 inch wide measurements.
Is the measured amount each sheet will cover including side lap when layed in position on the roof.
Using the example values of a roof.
Also sometimes known as tin sheets or ci sheets putting a tin hat over a construction project is still used today.