Stairframe modular steel stair stringers

16 gauge welded steel stair stringers for indoor/outdoor residential and light commercial construction, wood, steel or concrete.
Virtually fit any finished floor to finished floor height (straight or with landing), complete with exact vertical measurements. Easy to finish.

Our steel stringers features:

Fasten in minutes onto wood, steel and concrete building frames.

Cut trimming time and skills in half.

Free standing up to 10 rises.

Termite and fire resistant.

Dimensionally stable, won't rot, warp, split, crack or creep.

Noise free, rust proof.

Welded super strong, exceed building code requirements.

Require no middle stringer up to 50 inches wide, with risers.

Allow, with no visible fasteners, for pre-varnished standard finish stair parts.

Allow sheetrock and side-boards to slip behind without trim.

Easy underside sheetrock nailer (5/8" plywood strips required).

Made of recycled materials.

Left and right stringers, framing, zinc plated finishing fasteners and instructions included.

Patented nearly worldwide, Stairframe is a registered trademark in the US and Canada.

Free replacement policy