Double Stringer Stairs ((full)) -

: L/360 for live load (40 psf residential). Double 2×12 stringers at 36″ clear span (14′ total length) → okay if notched properly.

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. double stringer stairs

While the concept is simple, the execution varies based on the shape of the beam: : L/360 for live load (40 psf residential)