Double Stringer Stairs • Newest

If using glass treads or railings, a streak-free glass cleaner is essential to maintain that "invisible" look. Conclusion

1. Measure floor-to-floor height. 2. Divide by 7 → round to nearest integer for # of risers. 3. Compute actual rise. 4. Compute run: T = 25 – 2R. 5. Total run = (n_treads × T). 6. Cut 2 identical stringers from 2×12. 7. Verify residual notch depth ≥ 5″ (actually 3.5″ min). 8. Install with hangers and bottom support. 9. Add treads/risers. 10. Inspect headroom and nosing projection. double stringer stairs

Ensure the treads are sealed with a high-quality polyurethane to prevent wear in high-traffic center zones. If using glass treads or railings, a streak-free