Sean why 16.5″; for two risers of 8.25″ (+ 3/8 tolerance) if provided?
In accordance with 403 we allow 18″
Better Buildings, Safer Communities
Better Buildings, Safer Communities
Sean why 16.5″; for two risers of 8.25″ (+ 3/8 tolerance) if provided?
In accordance with 403 we allow 18″