Roof Dimensions & Settings
Important Considerations
- ✓ Calculations assume standard rectangular roof sections
- ✓ Verified formulas for common roofing scenarios
- ✓ Lap calculations include proper overlap additions
- ✓ Waste factors account for roof complexity
- ⚠️ Complex roofs may require manual adjustments
- ⚠️ Always verify with on-site measurements
- ⚠️ Consult professionals for complex installations
Estimate Results
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Ready for Calculation
Enter your roof dimensions and click "Calculate Estimate" to see results here.
Default Example:
• 50×40 ft roof with 3 ft panels
• 6/12 pitch, 10% base waste
• Standard gable roof configuration
• Provides reliable estimate for planning
Calculation Features
- ✓ Proper lap calculations (adds overlap length)
- ✓ Roof complexity adjustments (hip/valley roofs)
- ✓ Coverage width option for rib overlap
- ✓ Adjusted waste factors
- ✓ Linear material totals
- ✓ Standard formulas verified for common scenarios