Flat Roof Frame Kit

Strong, Durable FlexiFrames Built for Shipping Container Homes & Modular Living

  • Engineered for Strength – Built from 4.5mm Galvanised Steel

  • Quick & Easy Assembly – Designed for Effortless Installation

  • Flexible & Customisable – Ideal for tiny homes, site offices, carports & patios

  • Weather-Resistant Coating – Four-layer powder-coated finish

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Visit Our Show Village Available in Mackay & Darwin

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Proudly Australian Owned & Operated

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Customer Satisfaction 100% Guaranteed

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5 Year Structural & Parts Warranty

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Built for Fast Turnkey Installation

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Fast Delivery Available Australia Wide

What Is the Flat Roof Container Home FlexiFrame Kit?

The FlexiFrame Steel Frame Kit (Flat Roof) is a high-quality, durable foundation designed for container homes, shipping container homes, and modular buildings. Whether you're constructing a container home kit for sale, a site office, or a storage space, this frame provides structural strength, ease of assembly, and long-term durability.

Unlike traditional materials, our flat roof steel frame is made from 4.5mm galvanised steel with a four-layer powder-coated finish, ensuring resistance to rust, corrosion, and harsh weather conditions. Designed for quick installation, the frame features pre-drilled holes, precision-cut components, and eight lifting points, making it easy for builders and DIY enthusiasts alike.

container home kit with a flat roof
container home kit with a flat roof
flat roof container home frame all set up

Why Choose A Flat Roof Frame?

Designed for Strength, Built for Efficiency

  • Maximised Usable Space – The flat roof allows for solar panel installation, rooftop storage, or an additional living area.

  • Modern, Sleek Design – A contemporary, minimalist aesthetic that enhances your container home's style.

  • Energy Efficiency – Flat roofs provide better insulation and improved temperature regulation for comfortable living.

  • Low Maintenance – Designed for long-term durability with minimal upkeep.


Whether you're building a shipping container home, a container home kit for sale, or a commercial workspace, the FlexiFrame Flat Roof Kit delivers reliable strength, cost-effective shipping, and a flexible design to suit your needs.

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Strong, Modern & Built for Durability

5 Year Structural Warranty Reassurance – The Perfect Foundation for Container Home Kits

Why Choose the Flat Roof FlexiFrame Kit for Your Container Home?

At BoxMate, we understand the need for high-quality, durable structures that offer flexibility, efficiency, and longevity. The FlexiFrame Steel Frame Kit (Flat Roof) is the ideal foundation for container home kits and shipping container homes, providing a sturdy, modern, and easy-to-assemble solution for residential and commercial use.

  • Flat Roof Design – Perfect for container homes, allowing for rooftop solar panels, extra storage, or additional living space.

  • Heavy-Duty Galvanised Steel – 4.5mm thick steel frame with a four-layer powder coating for maximum weather resistance.

  • Quick & Easy Installation – Pre-drilled holes and lifting points ensure an efficient, stress-free build.

  • Cost-Effective Transport & Storage – Flat-packed and crate-sealed, making shipping easy and affordable across Australia.

  • Flat-Pack & Cost-Effective Shipping – Securely packed in a crate for safe and affordable delivery across Australia.

  • Ideal for Multiple Applications – Suitable for container home kits, shipping container homes, container homes for sale, site offices, carports, patios, and modular builds.

  • Australian-Owned & Operated – High-quality materials and expert craftsmanship, backed by trusted customer support.

100%
Guarantee

Comprehensive Checks on all our new and used shipping containers.

100% Quality

We only use the finest locally manufactured steel in our shipping containers.

100%
Australian

Boxmate is a 100% Australian owned and operated company.

Show Villages in Mackay & Darwin

We have depots all over Australia for super fast (often next day) delivery.

100%
Affordable

All our shipping container homes are remarkably well priced.

Where Can You Use the Flat Roof FlexiFrame Kit?

  • Container Homes & Cabins – A reliable, lightweight, and strong frame for your tiny house kit home or A-frame tiny home.

  • Site Offices – Secure, professional, and mobile office spaces made easy with this tiny home kit.

  • Carports & Outdoor Shelters – Protect your vehicles, boats, or outdoor equipment with a flat pack tiny house-style structure.

  • Patios & Decks – Build a modern, weather-resistant alfresco area with a strong steel frame.

  • Storage & Workshops – Perfect for garages, sheds, and workspaces, keeping your tools and valuables secure.

Technical Specifications – Engineered for Strength & Longevity

The FlexiFrame Steel Frame Kit (Flat Roof) is built with high-quality materials and expert engineering, ensuring a strong, weather-resistant foundation for container homes, shipping container homes, and modular buildings.

Manufactured from 4.5mm galvanised steel with a four-layer powder-coated finish, this frame is designed to withstand harsh Australian conditions, offering long-term durability, corrosion resistance, and structural integrity. With pre-drilled holes, precision-cut components, and eight lifting points, assembly is quick, efficient, and hassle-free, making it the perfect choice for container home kits for sale, site offices, and workshops.

For cost-effective transport, the container home frame is securely crated, ensuring safe and easy delivery Australia-wide.

Flat Roof FlexiFrame Kit Specifications

Flat Roof FlexiFrame Kit – Technical Specifications

Technical Details Flat Roof FlexiFrame Kit
External Dimensions 5950mm (L) x 3000mm (W) x 2720mm (H – Low Side) & 3070mm (H – High Side)
Main Structure Thickness 4.5mm galvanised steel, powder-coated black
Beams and Arms Thickness 2.3mm galvanised steel
Base Joists and Roofing Members Thickness 1.2mm galvanised steel
Coating Four-layer powder-coated finish for enhanced durability

Package Specifications

Package Details Specifications
Package Dimensions 5750mm (L) x 720mm (W) x 600mm (H)
Package Weight 630kg

For More Information Download Our Product Brochure

flat roof container home kit guide

Visit Our Display Villages –
Experience the Quality Firsthand

Show Villages Available in Mackay & Darwin

See the FlexiFrame Steel Frame Kit (Flat Roof) in person at our display villages in Mackay and Darwin. Whether you're planning a container home, site office, or modular structure, viewing the frame first-hand allows you to inspect the durability, craftsmanship, and modern design before making a decision.

  • Expert Guidance – Our team is available to answer your questions and help you find the perfect solution for your project.

  • See the Build Quality – Experience the 4.5mm galvanised steel construction and precision-engineered components up close.

  • Plan Your Visit – Bookings are essential to ensure personalised assistance and a dedicated viewing experience.

Frequently Asked Questions



Each kit includes a high-quality galvanised steel frame, roofing purlins, base joists, bolts, and fasteners for secure and efficient assembly.

Yes! The frame is designed for quick, easy, and hassle-free installation. Assembly instructions are included.

Absolutely! The 4.5mm galvanised steel and four-layer powder coating provide maximum resistance to rust, corrosion, and harsh weather conditions.

Yes! You can choose between skillion, pitched, and flat roof designs to suit your tiny home kit or modular build.

The frame is securely packed in a crate, ensuring safe and cost-efficient transport. We offer Australia-wide delivery, and you can also visit our Mackay or Darwin display villages.

Yes, our manufacturer's warranty covers structural integrity and powder-coating durability for up to 1 year, while our Structural & Parts Warranty is up to 5 years.
For more information call us on 1300 819 065 or request a quote.