Roofing
Roof Sheathing Hip Roof Metric Calculator
Estimate the number of sheets of plywood or OSB it takes for sheathing a Hip roof.
The calculation is based on sheets 1200 x 2400 millimetres. One sheet = 2.88 square metres.
Hip Roof Sheathing - Metric
Instructions
- enter the length of the building metres
- the width in feet and metres
- eaves overhang in millimetres
- the slope of the roof in degrees
- waste factor in a percentage preset @ 10%
The Results
- area of roof in square metres
- number of sheets needed based on exact area in square metres of the roof
- the number of sheets the waste percentage will add
- number of sheets needed including the waste