Mansard Roof Sheathing (Metric)

Spike VM

The Metric Mansard Roof Sheathing Calculator helps you accurately determine the number of 2400mm x 1200mm plywood sheets required to cover a mansard roof. It factors in the dimensions of your building, roof slopes, and waste percentage to provide precise results for the roof's upper and lower sections.

Mansard style roof

Roof Sheathing, Mansard Roof (Metric) Calculator

Building Length m
Building Width m
Eaves Overhang mm
Upper Roof Slope °
Lower Roof Slope °
Lower Roof Length m
Waste Percentage %

Results:

Lower Roof Area
Upper Roof Area
Total Roof Area
Estimated Plywood Needed #
Waste Factor adds #
Plywood Needed Including Waste #
Sheets needed split in upper and lower sections
Lower Slope Sheathing #
Upper Roof Sheathing #


Calculator

  1. enter the length of the building in metres
  2. the width of the building in metres
  3. the eaves overhang in millimetres
  4. the slope angle of the upper roof in degrees
  5. the slope angle of the lower roof in degrees
  6. the length of the lower roof measured from the outside wall to the start of the upper roof
  7. a percentage of extra material to account for waste
Mansard roof

Results

  1. the area of the lower roof in square metres
  2. the area of the upper roof in square metres
  3. the combined area of the upper and lower roofs
  4. number of plywood sheets needed without waste
  5. additional sheets required due to waste
  6. the total number of plywood sheets needed, including waste
  7. The calculator will display the areas of the lower and upper roofs, the total roof area, and the number of plywood sheets required. It also provides the number of sheets needed for the lower and upper roof sections, including additional sheets for waste.

This tool is ideal for construction professionals and DIY enthusiasts looking to plan their roofing projects with precision and efficiency.


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