What surface treatments are available for spiral staircases?
Possible surface treatments are hot-dip galvanizing, powder coating, and duplex (hot-dip galvanizing + powder coating). Outdoor stairs or exposed environments should always be hot-dip galvanized or treated with duplex.
Spiral staircases made of high-strength steel, easy and quick to assemble.
From one of the leading staircase manufacturers in Europe.
