When covering the roof with plywood or metal sheets it s necessary to fit the materials to the rafters exactly.
How to square a roof.
A square roof is one in which all the corners are constructed at 90 angles.
To find the squares divide the overall roof area by 100 and then round up.
If your roof is 2 000 sq.
This is pretty simple.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
2 000 100 20.
The answer is the number of roofing squares for the roof.
Convert the area to roofing squares.
Now it s time to convert square feet into roofing squares.
Roofing pitch for square roof area.
Think of the steel roofing as being very strong very thin plywood it will hold the roof in the position it was in when installed.
By severe i mean that on a roof that measures 17 feet from eave to ridge and a little over 29 ft wide i snapped my lines for starting out square using multiples of the 3 4 5 method and found out that the roof was basically a trapezoid being 5 inches out of square at the top left of the roof and approximately the same on the right hand lower.
Fortunately one can frame square rafters fairly simply using a framing square and a construction calculator.
This is simply 100 square feet of roof.
Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed.
The strength of properly installed steel roofing is frequently underestimated.
A square simply refers to a 10 x 10 square of roofing.
If you take the time to properly square a roof you will be glad you did when you install the roof steel and add the trims.
Feet then you will have 20 squares.
Learn how to square a roof with the easy 3 4 5 triangle method.
Complete step by step corrugated metal roofing installation.