Prefabricated Workshop Buildings, Humidity-Resistant Steel Structure Industrial Building

Main Features

A Q355B steel workshop system engineered for humid, tropical and coastal climates, with anti-condensation, corrosion protection and ventilation design.

• Q355B (S355JR equivalent) high-strength steel, yield 345 MPa

• C4/C5 corrosion protection: Sa2.5 + epoxy-zinc + polyurethane

• Hot-dip galvanizing optional (up to 85 μm) for primary members

• Anti-condensation roof liner with moisture barrier (optional)

• Natural ventilation: ridge ventilators and side louvers

• Moisture-resistant insulated sandwich panels (PU / rockwool)

• Portal / multi-span rigid frame, clear span up to 60 m

• Bolted connections, minimal field welding

• Roof pitch 5–10%, optimized rainwater drainage

• Designed to GB 50017 / EN 1993 / EN 1090-2 / ISO 12944

Technical Specifications

Advantages

• Humidity-focused: anti-condensation liner, moisture barrier and C4/C5 coating for tropical climates.

• Enhanced corrosion protection: epoxy-zinc + polyurethane system, HDG optional.

• Natural ventilation design reduces interior humidity and protects equipment.

• Q355B high-strength steel with up to 60 m column-free span.

• Bolted, modular construction cuts on-site time and protects coatings from weld damage.

• Certified to EN 1090-2 + ISO 9001; SGS/BV third-party inspection available.

• Factory strength: 100 t workshop crane, 50,000 t/year, 80–90% export share.

• Proven in humid coastal markets: Vietnam, Thailand, Indonesia and Middle East.

Applications

• Food & beverage processing plants

• Textile and garment manufacturing mills

• Paper, packaging and printing workshops

• Cold storage & refrigerated logistics

• Pharmaceutical & cosmetics production

• Electronics & electrical assembly plants

• Aquaculture & seafood processing facilities

• Automotive & parts manufacturing

• Chemical and daily-products workshops

• General manufacturing and assembly workshops

• Humid, tropical and coastal industrial parks