Metal subfloor systems
Dahlsens partner with ClickDeck® and Spantec™ so you can build the best metal subfloor in aluminium or steel that meets your project’s requirements.
Talk to us about free design and takeoff services for your metal subfloor.

ClickDeck® aluminium subframe system
ClickDeck is Australia’s premier modular subframe aluminium decking system that allows you to build cost-effective decks as low as 28mm, confident in the knowledge that they will last.
The full range of residential and commercial applications include decking subfloor, tile support system, temporary/event flooring, shed subfloors, disabled ramps, raised access floors.
- Build as low as 28mm and up to 500mm
- Suitable for timber and composite decking, tiles, artificial grass and more.
- Building code compliant
- Easy modular system
- Loose supply, cut onsite
- Comes as 2.4m x 3.6m and 6m lengths
- Customisable including curved and angled edges
- Free design and takeoff services
Spantec™ steel subfloor system
Spantec subfloor systems provide you with the flexibility of spans up to 6m long, and time saving efficiencies as everything is cut to size and pre-drilled. Being made from steel, it is lightweight yet strong and ideal for decks from 250mm in height up to 6m high thanks to the Spantec Ezipier system.
- Range of sizes from 100 x 50mm up to 250 x 50mm
- Deck joists can span up to 6m unsupported
- Lightweight & dimensionally accurate
- Beams manufactured from a Z450 coating as a standard
- All beams come cut to size, saving on wastage onsite
- Ezipier system can support decks up to 6m in the air
- Ezipier system has a built in, certified termite inspection point (no ant capping required)
- Free design and takeoff for areas over 55m2
Looking for Other Decking Solutions?
Browse our composite decking or timber decking solutions.
Metal Subfloor FAQs
Why choose a metal subfloor system over timber framing?
Metal subfloor systems offer superior durability, termite resistance, and stability. They’re ideal for long-span applications and bushfire-prone regions.
Can I use metal subfloors with any type of decking?
Yes, they are compatible with both composite and timber decking products, offering a versatile and long-lasting foundation for your outdoor space.
Do metal subfloor systems meet BAL requirements?
Absolutely. Many metal subfloor systems are BAL-rated and meet Australian Standards for construction in bushfire-prone zones.
Are metal subfloors suitable for sloping or uneven sites?
Yes, these systems are designed to accommodate difficult terrain, making them ideal for raised or sloping deck installations.