Double Stringer Stairs ((free))

are the ideal choice for homeowners looking to maximize light and create a focal point of modern engineering. While they require a higher budget and precise installation, the visual payoff is unmatched in contemporary design.

Ensure the treads are sealed with a high-quality polyurethane to prevent wear in high-traffic center zones. double stringer stairs

= 6.625″ Number of risers = 16 Number of treads = 15 (top tread is upper floor) are the ideal choice for homeowners looking to

Because the stringers are the primary load-bearing components, it is crucial to work with a fabricator or architect who can calculate the necessary gauge of steel or thickness of wood to meet local building codes. Maintenance Tips double stringer stairs

| Material | Typical Size (actual) | Span Limit | |--------------------|------------------------|-------------| | Sawn lumber (Douglas fir, SPF) | 2×12 (1.5″×11.25″) | 6–8 ft (stringer length) | | LVL (Laminated Veneer Lumber) | 1¾″ or 3½″ thick × 11¼″ | 10–12 ft | | Steel (C-channel) | 3″–6″ web | unlimited (with eng.) | | Engineered wood I-joist | cut carefully (web holes) | varies |

Because the structure is exposed, every element is customizable. You can choose:

if stringers are long (>8′ unsupported)