Closed stringers
- Also known as a curb stringer
- Generally used against a wall
- Generally used against a wall
- Tread not visible from the side
- Stringer, tread, and riser made of solid wood
- Mortised attachment and non-visible hardware for treads and risers
- • Closing the space under a staircase with a load-bearing wall should be planned: storage space, or wall covering underneath the stairs (gypsum board, wood, etc.)
Standards and technical dimensions | |
---|---|
Stringer: | 19 mm thick x 305 mm high |
Treads: | 27 mm thick x 267 mm long |
Risers: | 19 mm thick x 191 mm high |

Bracketed stringer
- Also known as an open stringer
- Generally used on the open side of a staircase
- Stringer is cut as a bridgeboard, and treads are placed on the stringer
- Treads visible from the side, overlapping the stringer by 25 mm
- With or without risers
- Stringers, treads, and risers made of solid wood
- Closing the space under the staircase with a load-bearing wall should be planned: storage space, or wall covering underneath the stairs (gypsum board, wood, etc.)
Standards and technical dimensions | |
---|---|
Stringer: | 19 mm thick x 305 mm high If no risers, thickness must be 45 mm |
Treads: | 27 mm thick x 267 mm long |
Risers: | 19 mm thick x 191 mm high |

Central wood beam
- Glued-laminated beam
- Interior made of 19-mm Baltic birch
- Exterior covered in 19-mm solid wood
- Solid wood treads
- Dovetail tread joints unique to Davibois
- Installation components beneath the tread are hidden
- • Self-supporting beam is attached to a finishing board upon arrival
Standards and technical dimensions | |
---|---|
Beam: | General assembly 203 mm x 203 mm Variable width, depending on tread width |
Treads: | 45 mm thick x 286 mm long |
Central metal beam
- 203 mm x 203 mm steel beam manufactured by precision laser cutting and welding
- Attachment plate visible beneath the tread
- Solid wood treadsf
- Treads are bolted to the plate, which is welded to the beam
- Spray-painted or powder-coated metal finish
- • Self-supporting beam is attached to a finishing board upon arriva
Standards et technical dimensions | |
---|---|
Beam: | Minimum width of 203 mm Variable width, depending on tread width |
Treads: | 45 mm thick x 286 mm long |
Two open stringers
- Bridgeboard or mortised stringer
- No risers
- Solid wood treads and stringers
- Solid wood treads and stringers
Standards et technical dimensions | |
---|---|
Stringers: | 45 mm thick x 305 mm wide |
Treads: | 45 mm thick x 267 mm long |

Floating treads
- Steel tread support, visible or non-visible
- With attachment plate for reinforced wall
- Solid wood treads
- Ideal for new constructions, prior to gyp-rock installation. In the case of renovations, plan to open the wall
- Not recommended for unreinforced interior wall
Standards et technical dimensionss | |
---|---|
Treads: | 89 mm thick x 267 mm long |
Support: | 50 mm thick x 200 mm long |
