A distinctive element of each Marretti collection is the spiral staircase with non-slip glass steps, suitable for outdoor spaces. The thickness of the step is variable (1 1/4″ – 1 41/64″) in relation to the diameter of the staircase.
Spiral staircase in polished stainless steel AISI 316 and anti-slip glass steps
Spiral staircase in polished stainless steel AISI 316 and hot process galvanized steel steps
Helix-shaped staircase with boxed metal stringers, hot-dipped galvanization and epoxy painted, featuring metal risers and steps covered in teak wood, and a teak wood handrail.