Metal Staircase Structural Plans
Detailed digital blueprint for spiral stair construction
R$97.00
Download this high-quality digital project plan for a spiral metal staircase. Includes precise measurements, material specifications (AISI 1020 steel), and detailed construction diagrams for three structural stair sections. Ideal for architects, engineers, and builders seeking reliable blueprints. Delivered as a digital file for immediate use in design and fabrication.