Height from bottom to top
Building code max is 7.75"
Recommended min 10"
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IRC Code Requirements
Riser Height
Max 7.75"
Tread Depth
Min 10"
Handrail Height
34-38"
Stair Stringer Tips
- • Use 2×12 lumber for stringers
- • Always use 3 stringers for decks over 36" wide
- • Add one extra step for the bottom
- • Verify with local building codes