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Multi Storey Steel Buildings Stronger, Faster, Taller

KXD engineers and manufactures multi storey steel structure buildings for commercial, residential, and mixed-use applications — combining Level 8 seismic resistance, Q355B structural steel, and fully prefabricated bolt-up assembly to deliver your multi-floor facility on schedule and to specification.

 

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About Multi Storey Steel Building

A multi storey steel building is a prefabricated structural system in which H-section steel columns, beams, and floor systems are assembled vertically across two or more floors to create commercial offices, retail centers, supermarkets, mixed-use developments, multi storey warehouses, and residential complexes. Unlike single-storey industrial buildings, a multi storey building steel frame must carry cumulative vertical loads from each floor, resist lateral forces from wind and seismic activity, and provide the dimensional precision required for multi-floor fit-out and services integration.

KXD’s steel frame multi storey buildings are fabricated from Q235B, Q355B, and ASTM A36 raw steel materials, designed to comply with AISI, ASTM, BS, DIN, GB, and JIS EN standards. The bolt connection system provides superior strength and stability, ensuring the building can withstand high winds and other natural disasters. All components are precision-manufactured in KXD’s factory using AutoCAD, PKPM, 3D3S, and TEKLA design tools, with complete structural drawings provided to support your engineering and construction teams throughout the project lifecycle. From supermarkets and shopping centers to multi storey steel structure warehouses with sliding and rolling door systems, KXD delivers a complete design-to-installation solution for every project.

Standard Specifications

The following specifications represent our standard manufacturing range. All parameters are fully customizable to meet your project requirements.

Parameter Standard Range
Main Frame Material Q235B / Q355B / ASTM A36
Steel Column H Section Steel (Hot Galvanized or Painted)
Steel Beam H Section Steel
Wind Column H Section Steel
Connected Beam Circular Tube
Design Standards AISI / ASTM / BS / DIN / GB / JIS EN
Structural System Steel Frame Structure
Connection Type Bolt Connection
Roof Purlin Cold-Formed Galvanized C / Z Section Steel
Wall Purlin Cold-Formed Galvanized C / Z Section Steel
Roof Pitch 10%, 12%, 16%, 20%, 25%, 30% (customizable)
External Wall Panel Rock Wool / PU / Fiberglass Sandwich Panel; Corrugated Galvanized Steel Sheet
Internal Wall Panel Rock Wool / Fiberglass / PU Sandwich Panel
Roofing Panel Rock Wool Sandwich Panel; Corrugated Steel Sheet; FRP Skylight
Curtain Wall / Cladding EPS / Glass Wool / Rock Wool / PU Sandwich Panel; Color Steel Sheet
External Door Rolled-Up Door / Sliding Door / Sandwich Panel Sliding Door
Internal Door 50mm EPS Sandwich Panel with Aluminum Alloy Frame
Window PVC / Aluminum Alloy Frame with Glass
Knee Bracing L Steel
Bracing System X-type / V-type (Angle, Round Bar)
Surface Treatment Hot-Dip Galvanized / Two Layers Anti-Rust Paint
Earthquake Resistance Level 8 and Above
Third-Party Testing SGS / BV / ITS
Design Software AutoCAD / PKPM / 3D3S / TEKLA
Service Life 20–50 Years
Minimum Order 200 sqm

Why Choose KXD Multi Storey Steel Buildings

  • Clear-Span Design

    Eliminates interior columns to maximize usable floor space — ideal for warehouses, workshops, and large assembly areas.

  • High-Grade Steel Materials

    Primary structures fabricated from Q235B or Q355B steel, ensuring exceptional load-bearing capacity and long-term structural integrity.

  • Fast On-Site Assembly

    Pre-engineered components are precision-manufactured off-site and bolt-connected on-site, significantly reducing construction time and labor costs.

  • Versatile Cladding Options

    Choose from single-skin steel panels, EPS/PU/Rock Wool sandwich panels, or glass wool cladding — optimized for insulation, acoustics, and aesthetics.

  • CE & ISO Certified Quality

    Every component is manufactured under strict CE (EN1090) and ISO 9001 / 14001 / 45001 certified quality control protocols, with full material traceability.

  • 50-Year Design Lifespan

    Galvanized treatment, anti-rust coatings, and robust structural design ensure your building performs reliably for decades with minimal maintenance.

Fully Customizable to Your Requirements

No two projects are identical, and neither are our buildings. KXD offers comprehensive customization across every aspect of your steel structure building:

Structural form: Single-span, multi-span, single-storey, or multi-storey configurations

Dimensions: Custom width, length, and eave height to fit your site

Cladding & insulation: Panel type, thickness, and color to suit climate and aesthetics

Doors & windows: Sliding doors, roller shutters, aluminum alloy windows, skylights

Accessories: Crane beams, mezzanine floors, ventilation systems, gutters and downpipes

Finishes: RAL color selection for roof and wall panels

Steel Structure Multi Storey Projects Around the World

KXD has delivered multi storey steel building projects across 80+ countries, serving developers, government agencies, and commercial operators in markets ranging from Africa、North America and so on.

  • Santiago Mall Panama

    The supermarket uses a large-span steel frame structure with steel columns, beams, roof bracing, and lightweight enclosure panels.

  • Costa Rica Supermarket

    Portal frame structure with mezzanine in part.Roof and wall are color-coated steel sheets and fiberglass woolasinsulation.

  • Supermarket in Angola

    A large-span steel frame supermarket with lightweight roofing, glass curtain walls, and enclosure panels.

Looking for an Industry-Specific Solution

Our Multi Storey Steel Building solutions serve a wide range of industries. Explore our industry-specific pages to find the right storage configuration for your project:

Frequently Asked Questions

  • Q

    What seismic resistance level can KXD multi storey steel buildings achieve?

    A

    KXD multi storey steel structure buildings are designed to achieve Level 8 seismic resistance and above, depending on the project location and local building code requirements. Our engineering team will confirm the applicable seismic design standard and incorporate the necessary structural measures into your project design.

  • Q

    What design standards does KXD use for multi storey steel buildings?

    A

    KXD designs steel frame multi storey buildings to comply with AISI (American), ASTM, BS (British), DIN (German), GB (Chinese), and JIS EN (Japanese) standards. The applicable standard is confirmed based on your project location and local regulatory requirements.

  • Q

    What door systems are available for a multi storey steel warehouse?

    A

    KXD’s multi storey steel structure warehouse designs support a full range of door systems, including rolled-up doors, sliding doors, power-operated galvanized roller doors, and sandwich panel sliding doors with double-open configurations — all designed for industrial-grade durability and ease of operation.

  • Q

    Can KXD provide 3D design models and structural drawings?

    A

    Yes. KXD provides complete design documentation using AutoCAD, PKPM, 3D3S, and TEKLA software, including structural drawings, 3D models, and full project documentation. KXD customizes the structural steel system for heavy construction and offers design, engineering, and construction solutions from concept to completion.

  • Q

    Can KXD provide installation support on-site?

    A

    Yes. KXD offers online technical support, onsite training, and onsite inspection services. Our experienced installation teams can be dispatched to project sites worldwide to guide or directly manage the erection process for your multi storey steel building.

Ready to Build Your Multi Storey Steel Building?

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    Get a Quote

      We will reply you within 24 hours. If for urgent case, please add WhatsApp/WeChat: +86 13853233236,. Or call +86 18661678529 directly.

      We respect your confidentiality and all information are protected.

      We will only use your information to respond to your inquiry and will never send unsolicited emails or promotional messages.