New announcement. Learn more


An easy-to-install aluminium deck subframe and height-adjustable deck pedestals. The perfect choice for deck builders, tilers, and architects.


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

TreadTech is the ultimate quick-to-install, durable deck framing solution. Our system is ideal for decks, balconies, pools, and rooftops and blends height adjustable Deck Pedestals with a robust Aluminium Subframe.

Engineered for cost efficiency and simplicity, it's the perfect choice for professionals. TreadTech, a product by UNEX Systems, has been a leading name in aluminium architectural systems in New Zealand for over 40 years. It offers a versatile, low-risk solution for both residential and commercial outdoor spaces.

Premium Aluminium Subframe & Adjustable Pedestals for All Projects

Designed with precision and care, our system offers features that cater to professionals looking to save time and elevate their projects to new heights.

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.

Inspiration Library


Elevate Every Project with TreadTech

The ultimate decking solution that surpasses expectations in residential, commercial, and technical excellence.

Residential Projects

From luxurious pool decks to serene rooftop gardens, TreadTech's system is tailored for perfection in residential settings. Ideal for tilers and deck builders, our solutions seamlessly adapt to various terrains, ensuring a flawless fit for any home.

Commercial Projects

Designed for commercial excellence, TreadTech's system is ideal for applications including apartment blocks and rooftop terraces. Benefit from our comprehensive service, which includes personalised quotes and engineering expertise, ensuring each project is equipped with durable, easy-to-install systems tailored to meet unique commercial demands.

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 for residential applications.

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 streamline your project from conception to completion. With our engineers and team of CAD technicians, we offer tailored solutions and technical support, ensuring a seamless installation and a perfect outcome.

NZ Compiance

Our products are engineered to meet New Zealand Building Code and Council requirements, ensuring your project complies with national standards for safety and quality.

40 Years Of Expertise

Trust TreadTech, powered by UNEX Systems' legacy of precision since 1981, for all your deck framing, and balustrade requirements. Save time and money with a single supplier dedicated to excellence.

Contact Us

Ready to transform your outdoor space with TreadTech's innovative deck framing solutions? Connect with us today to explore how our Aluminium Subframes and Deck Pedestals can elevate your project.

{{errors.first('rs-00d2-d276-81c2', 'rs-00d2-cf48-7a29')}}
{{errors.first('rs-00d2-d276-8e52', 'rs-00d2-cf48-7a29')}}
{{errors.first('rs-00d2-d276-c56b', 'rs-00d2-cf48-7a29')}}

Thank you for your submission! We've received your form and will be in touch soon.