Iron stair with open riser.

Double load-bearing running structure outside steps made of steel.

Frosted treatment applied to the structure.

Iroko solid wood tread , doussié finish.

Tread fixed to the structures with soldered steel wings and recessed teeth with no visible screws.

Q30 INOX CRYSTAL banister: layered tempered glass panels with 4+4-mm.  thickness,  transparent extra-light finish, handrail with steel triple plate treated with frosting, spindles with frosted double plate.