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 all in polished stainless steel AISI 316
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 shape staircase with Boxed metal stringers hot deep galvanized, epoxy painted, with metal risers and steps covered Teak wood and handrail in Teak wood
in polished stainless steel AISI 316 with Rectangular post 2 3/8” – 25/32” with polished stainless steel AISI 316 handrail 1 41/64”
The guards are in stainless steel AISI 316 without welding and assembled by mechanical hooks only. They can have a glossy or satin finish.
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