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
Spiral glass or metal outdoor staircases
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 (42-52 mm) in relation to the diameter of the staircase.
The metal parts are completely in stainless steel without welding and assembled by mechanical hooks only. They can have a glossy or satin finish.
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