Roof Access Calculator
Calculate ladders, safety equipment, and materials needed for roof access projects. Estimate costs and requirements for safe roof work.
Step 1: Roof Dimensions & Access
Safety Regulations
OSHA requires fall protection at 6+ feet. Ladders should extend 3 feet above roof edge. Safety harnesses required for steep slopes.
Step 2: Equipment & Cost
Equipment Notes
Extension ladders: 1-4 ft above roof edge required. Safety harness: 1 per worker. Roof anchors: 1 per 50 sq ft work area.
Roof Access Equipment Estimate
Total Estimated Cost
Complete Equipment List
| Equipment | Quantity | Unit Price | Total Cost | Safety Notes |
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Safety Requirements by Roof Type
Roof Access Calculation Formula
Ladder Length = Roof Height + 3 ft (Extension) + Safety Margin
Calculate required ladder length based on roof height plus OSHA-required 3 ft extension above roof edge. Safety equipment varies by slope.
OSHA Regulations
• Fall protection required at 6+ feet elevation
• Ladder must extend 3 ft above landing
• 4:1 ladder angle ratio (1 ft out for every 4 ft up)
• Guardrails required for platform edges
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