American Barn 12x9x3.6m (Steel Structure )

$44,500.00

12×9×3.6m prefabricated steel structure building with electric roller door, galvanised frame, full drainage system, and fast assembly. Ideal for workshops and warehouses.

Description

12×9×3.6m Prefabricated Steel Structure Building

Durable, Customisable & Easy to Assemble

This robust prefabricated steel structure is engineered for long-term performance, fast assembly, and low maintenance. Ideal for workshops, warehouses, garages, and commercial use, it’s made with precision-fabricated components and a weather-resistant finish.


🔧 Key Features

✔ Heavy-Duty Frame

  • Fabricated H-beam main structure
  • Red-lead primed, mild-grey finish
  • Shot-blasted to Sa 2.5 surface grade

✔ Roof & Wall Cladding

  • Corrugated metal sheets, 0.5mm thick
  • Same profile for both roof and walls
  • Excellent corrosion and weather resistance

✔ Structural Supports

  • Galvanised C Purlins: C160×2.0mm for walls and roof
  • Tie Rods: Ø12 round steel for bracing
  • Anchor + High-Strength Bolts: M24, M20, M16, M12 included

✔ Drainage System

  • Galvanised gutters
  • 110mm downpipes for water management

✔ Access & Ventilation

  • Roller Shutter Door: Electric, 3.5m (W) × 2.5m (H)
  • PA (Personal Access) Door: 0.9m (W) × 2.1m (H)
  • Windows: 2 aluminium units, 0.9m × 1.2m

✔ Finishing Touches

  • Includes trims, flashings, ridge caps
  • Screws, rivets, silicone, and full fixing set

Applications

  • Light industrial buildings
  • Storage warehouses
  • Agricultural use
  • Commercial workshops
  • Temporary or semi-permanent workspaces

Specifications Summary

Item Details
Size 12m (L) × 9m (W) × 3.6m (H)
Main Frame H-beam, primed & painted
Purlins Galvanised C160×2.0mm
Cladding 0.5mm corrugated metal (roof + wall)
Doors 1x electric roller shutter, 1x PA door
Windows 2x aluminium (0.9m × 1.2m)
Drainage Gutter system + 110mm downpipes
Fixings Full set of bolts, screws, and accessories

Need a Custom Size or Finish?

We offer tailored solutions to match your project. Let us know your requirements.

Assembly & Delivery Notes

  • Quick on-site installation
  • Civil works/foundation not included
  • Installation services available (on request)

Call us for more details: 0800 456 888 or email: quotes@residentialroofing.co.nz

 

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