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TreadTech is a UNEX Systems product - For expert support or a quote, call us now: (07) 850 9464

Aluminium Deck Framing & Adjustable Pedestals for Modern NZ Outdoor Projects

A complete aluminium deck framing and adjustable pedestal system for modern outdoor spaces - designed for builders, tilers, and architects.

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A Smart Deck Framing Solution: Quick to Install, Hidden Strength, Built to Last


Our system blends height-adjustable Deck Pedestals with a no-weld aluminium subframe, ideal for decks, balconies, pools, and rooftops.Simple to install and backed by UNEX Systems' 40+ years in New Zealand aluminium architectural systems, TreadTech is a low-maintenance choice for residential and commercial outdoor spaces.

Aluminium Deck Subframe & Adjustable Pedestals

Three ways to build with one system: TreadFrame with TreadJack for timber or composite decks, TreadFrame with TreadJack for tiled decks, and TreadJack alone with tile cradles for tile-only applications.

Key Features:

  • Our deck pedestals boast height adjustability and tilt capability.

  • A wide base spreads the deck load for stability.

  • Easy to install with no welding required.

  • Enjoy peace of mind with a 10-Year warranty (residential).

  • Ready access to the underlying membrane for ventilation and cables.

  • Can be used to comply with NZ Building Code and Council requirements.

  • Beautiful straight lines and a lasting, quality finish.

  • Available New Zealand wide.

10 Year Warranty

Our commitment reflects confidence in the durability and reliability of our products. Providing long-term peace of mind with a 10-year warranty.

Adjusts & Slopes

Our deck pedestals offer adjustable heights ranging from 23mm to 785mm, providing versatility for various deck elevations. The slope functionality accommodates different terrains, ensuring a level deck surface.

Rot-Free Durability

Our deck framing is crafted from premium anti-rust aluminium that withstands the elements, ensuring your deck framing maintains its quality over time.

Technical Support

TreadTech's bespoke design service and technical support cover your project from concept to completion. Our engineers and CAD technicians work through the detail with you, so installation goes to plan.

NZ Compliance

Our products can be used to comply with New Zealand Building Code and Council requirements, supporting your project's national standards for safety and quality.

40 Years Of Expertise

TreadTech is powered by UNEX Systems' 40+ years of precision since 1981. One supplier for deck framing and balustrade requirements, backed by four decades in the New Zealand market.

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Built for Every Deck, From Homes to High-Rises


A rot-free aluminium subframe and self-levelling pedestal system, engineered to comply with NZ Building Code and Council requirements.



Residential Projects


From pool decks to rooftop gardens, TreadTech's pedestals self-level from 23mm to 785mm, correcting for slope and uneven substrates without shims. Ideal for tilers and deck builders working across a range of home sites.



Commercial Projects


TreadTech suits apartment blocks and rooftop terraces, backed by UNEX Systems' bespoke design service and technical support for projects that need it. Nationwide availability and a 10-year warranty back every install.

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Contact Us

Ready to start your next deck? Get in touch and we'll help you work out what TreadFrame and TreadJack components your project needs.