MODULAR OVER-ROOF KITS

Expandable Container Home Roof Systems

Engineered pitched roof solutions for 20ft, 30ft, and 40ft expandable container houses. Designed for enhanced thermal efficiency, rapid rainwater discharge, and long-term climate resilience.

100%Heavy-Duty Galvanized Steel Framing
20–40 ftCustom-Fit Footprints Available
45% LessRadiant Solar Heat Transfer
Flat-PackOptimized for Global Sea Freight
Engineered Weather Armor

Heavy-Duty Pitched Roof Systems For Modular Container Homes

Max Van Home manufactures high-performance over-roof kits specifically designed to fit 20ft, 30ft, and 40ft expandable container houses. Built with high-tensile steel framing and pre-formed roofing panels, these systems create a protective secondary barrier against harsh tropical sun, heavy rainfall, and alpine snowfall.

  • Pitched roof gradient eliminates standing water and roof seal degradation
  • Insulating air-gap layer reduces interior heat accumulation in warm climates
  • Complete package includes color-matched gutters and heavy-duty downpipes
  • Direct bolt-on connection compatible with factory container corner castings
Modular pitched roof system for expandable container home
Weather ProofedIntegrated Drainage & Insulation
Configurations & Pricing

Modular Roof Sizes Tailored To Your Footprint

Whether deploying a single 20ft studio, a 30ft residential unit, or a multi-room 40ft expandable container home, our prefabricated roof kits guarantee an exact structural fit and straightforward installation.

20ft Expandable Container Home Roof Kit

20ft Container Home Roof Kit

Tailored for standard 20ft expandable living units. Provides full structural coverage across expanded side wings and main container core.

  • Fit 20ft Expanders
  • Corrugated Steel
  • Gutter Kit Included
$4,900 +GST · AUD
30ft Expandable Container Home Roof Kit

30ft Container Home Roof Kit

Engineered for mid-size 30ft dual-bedroom expandable homes. Offers extended ridge length and reinforced central purlin supports.

  • Fit 30ft Expanders
  • Galvanized Purlins
  • High Wind Rated
$6,900 +GST · AUD
40ft Expandable Container Home Roof Kit

40ft Container Home Roof Kit

Full-coverage roof structure designed for 40ft multi-room expandable houses, commercial site camps, and permanent family residences.

  • Fit 40ft Expanders
  • Heavy-Duty Trusses
  • Maximum Thermal Gap
$8,900 +GST · AUD
Engineering Specifications

Technical Specifications & Material Quality

Built to withstand extreme UV exposure, coastal humidity, and heavy wind pressure. All components are factory-cut for immediate site assembly.

Structural Frame Material Hot-Dip Galvanized C-Purlins & Steel Truss Connectors
Roofing Sheet Spec High-Tensile Corrugated Colorbond / Galvanized Steel (0.5mm Thickness)
Drainage Integration Custom Eaves Gutters & High-Flow Downpipe Outlets (Included)
Thermal Insulation Layer Reflective Foil Bubble Radiant Barrier / Optional EPS Sandwich Core
Wind Load Rating Engineered to AS1170.2 / Category N3 & C1 Wind Standards
Surface Finish Weather-resistant powder coating in customized exterior color options
Assembly Method Pre-punched bolt-on design; minimal field drilling required
Logistics Packaging Flat-packed for minimal volumetric footprint during ocean transportation
The Engineering Advantage

Why Export Procurement Managers Choose Max Van Roof Kits

Over-roof protection is one of the most cost-effective upgrades to guarantee long-term asset protection for modular relocatable buildings.

Thermal Reduction Icon
Benefit 01

Solar Heat Reduction

The secondary roof creates a continuous shaded cavity, dropping interior summer temperatures significantly.

Zero Leakage Icon
Benefit 02

Water Proofing

Eliminates flat roof ponding, safeguarding container roof joints and expanding hinge gaskets permanently.

Acoustic Insulation Icon
Benefit 03

Acoustic Dampening

Dampens rain and wind impact noise, creating a quiet residential environment inside the container home.

Global Freight Icon
Benefit 04

Compact Sea Freight

Kits pack completely flat inside shipping containers alongside modular houses to reduce shipping overheads.

Project Visuals

Detailed view of finished roof profiles, structural steel framework, and installed gutter integration on expandable container houses.

Full view of pitched roof system installed on expandable container house
Expandable container home with pitched roof and decking system
Completed container home exterior with over-roof kit
Expandable container house on remote Australian site
Max Van Home modular building product family
Technical FAQ

Frequently Asked Questions About Container Roof Kits

Find technical details regarding site assembly, weather ratings, freight consolidation, and structural compatibility for global deployment.

A secondary pitched roof prevents water accumulation on flat container ceilings, shields expanding roof rubber seals from direct UV degradation, and creates a thermal insulation buffer zone that drastically lowers indoor cooling costs in warm regions.

We manufacture standard modular roof kits in 20ft, 30ft, and 40ft lengths. Each kit is specifically dimensioned to cover both the central container core and the expanded wing sections once unfolded on site.

The roof kit is supplied flat-packed with pre-cut galvanized steel purlins, roof sheets, ridge caps, and full gutter hardware. A 2-person installation crew can assemble and fasten the full roof structure using basic hand tools within a single day.

Yes. Every standard roof kit includes color-matched eave gutters, mounting brackets, end caps, and downpipe connectors to ensure clean rainwater harvesting or controlled discharge away from the home’s base.

Yes. Because the steel components flat-pack compactly, we frequently load roof kits directly inside folded expandable home units or sea containers for overseas buyers, resellers, and mining project contractors.

Global Trade & Technical Support

Speak With Our Modular Building Specialists

Contact our Sydney, Melbourne, or New Zealand engineering teams to request detailed structural drawings, customized color options, or wholesale bulk freight quotes.

Sydney — Max0402 531 010
Melbourne — Pino0414 059 199
New Zealand — Rex02 2593 0090
Contact Us