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Duo-R: Space-Optimized Spiral Staircase for Modern Townhouse Duplexes
○ Footprint: Slim-profile center post and tapered treads
○ Design: Ergonomic ascent for narrow townhouse layouts
○ Tread: Anti-slip textured steel or composite wood
○ Benefit: Increases usable floor area for developers
Category:
Multi-Family ResidentialBuild Your Stair