Drywall Calculator
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General purpose drywall for walls and ceilings in dry areas
Drywall installation requires precise calculations to ensure efficient material use and proper coverage. The process involves considering sheet sizes, room dimensions, and accounting for openings and wastage. Understanding these factors helps in accurate material estimation and cost planning.
| Region | Dimensions | Usage |
|---|---|---|
| Metric | 2400mm × 1200mm | Standard residential |
| Metric | 2700mm × 1200mm | Higher ceilings |
| Imperial | 4' × 8' | Standard US size |
| Imperial | 4' × 12' | Commercial use |
To calculate drywall sheets needed, measure the total wall area in square feet, subtract any openings (doors, windows), and divide by the area of one sheet (32 sq ft for a 4x8 sheet). Add 10% for waste.
For bathrooms, use moisture-resistant drywall (green board) which has a water-resistant core and paper facing. For shower areas, use cement board instead.
Use one screw every 12 inches along studs for walls, and every 8 inches for ceilings. Fire-rated installations may require closer spacing.