Tile Decks Only (No Aluminium Framing)Designed exclusively for tile applications, the TreadJack pedestals fitted with tile cradles, offers precise height adjustment and strong support, ensuring a perfectly level and durable surface for tiled decks.
NZ Aluminium Deck Framing & Height Adjustable Pedestals
A fast, compliant deck framing solution trusted by builders, tilers, and architects across New Zealand.
TreadTech is a complete aluminium deck framing system for decks, balconies, pool surrounds, and rooftop applications. Combining height-adjustable deck pedestals (TreadJack) with a strong aluminium subframe (TreadFrame), the system delivers a rot-free, durable solution engineered for New Zealand conditions.
The TreadFrame and pedestal combination can accommodate almost any height from 50 mm upwards (excluding decking thickness), with 115 mm and above being the ideal range for a cost-effective solution.
TreadTech ensures a precise, level installation across both residential and commercial projects. Backed by a 10-year residential warranty and supported by UNEX Systems’ 40+ years of expertise, it provides a reliable foundation for modern outdoor spaces.
Explore TreadTech options for your deck surface
TreadTech offers tailored solutions for every deck type. Whether you’re building a tiled, timber, or composite deck, our adjustable pedestals and aluminium subframes provide durable, level, and NZ Building Code-compliant support, ensuring your deck is strong, reliable, and long-lasting.
Timber or Composite DecksOur TreadFrame aluminium deck subframe – made from aluminium joists, bearers, and components – paired with TreadJack adjustable pedestals with joist cradles forms this TreadTech System. It’s ideal for timber and composite decking installations, providing strength, durability, and easy slope correction.
Aluminium Deck Subframe – TreadFrame
A robust foundation for modern decking projects, designed for durability, flexibility, and NZ conditions.
The TreadTech aluminium deck subframe (TreadFrame) provides strength and stability for timber, composite, and tiled decks. Manufactured from corrosion-resistant aluminium, it supports fast installation, slope correction, and easy access to drainage and services.
A comprehensive range of components and extrusions, supported by technical guidance and design support, ensures a seamless installation and an ideal outcome.
Features
Aluminium Deck Subframe - TreadFrame
Durable & Stable
Aluminium subframe resists corrosion and NZ weather conditions.
Versatile
Supports timber, composite, and tiled decks; suitable for residential and commercial use.
Easy Installation
Its simple configuration allows for fast installation, saving time and labor costs.
High Load Capacity
Engineered to handle significant weight, ensuring safety and longevity.
Ventilation & Access
Enables proper ventilation and easy access to drains, enhancing the deck's functionality.
Customisable
A comprehensive range of profiles, crossbars, and connectors accommodates any deck shape or design requirement.
Deck Pedestals (TreadJack)
TreadTech’s TreadJack Deck Pedestals provide a practical, efficient solution for elevated outdoor decking and tile installations.
Designed to create perfectly level outdoor surfaces-even over uneven or sloping substrates-TreadJack Pedestals are suitable for use with tiles, pavers, composite, and timber decking. They deliver reliable structural support and flexibility across a wide range of applications, including balconies, rooftop decks, terraces, and patios.
Lightweight yet engineered for strength, TreadJack Pedestals are adjustable, compatible with all commonly used waterproofing membranes, and promote airflow beneath the finished surface. The raised system allows easy access to services, supports effective drainage, and results in a clean, modern finish.
Features
Deck Pedestals - TreadJack
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.
Quality Material
Made from high-grade polypropylene, these pedestals are durable, fully recyclable, and environmentally friendly.
Self-Levelling Design
Provides a stable base for tiles or timber, promoting optimum indoor-outdoor flow.
Enhanced Airflow
The design allows for effective air circulation, preventing water accumulation and promoting membrane longevity.
Compliance
Manufactured in accordance with NZ building regulations for deck membrane applications.
Optional Accessories
Include slope correctors, compensation discs, and noise impact protection pads for a tailored decking solution
Services
- Bespoke Design
- Technical Support
- CAD files
- A nationwide network of installers
Sectors
- Residential Homes
- Aged Care Facilities
- Commercial Projects
- Multi-Unit Developments
FAQ
What heights can you accommodate?
The TreadFrame and pedestal combination can accommodate almost any height from 50 mm upwards (excluding decking thickness), with 115 mm and above being the ideal range for a cost-effective solution.
Can TreadTech Deck Pedestals be used for both residential and commercial projects?
Yes, TreadTech Deck Pedestals are versatile enough for both residential and commercial projects, providing a stable, level foundation for decking and tile installations in various settings, including balconies, pool areas, and rooftops.
Are the Aluminium Subframes suitable for all types of decking materials?
Absolutely. The Aluminium Subframes are designed to support any traditional decking material, offering flexibility and durability for wood, composite, ceramic tiles, and more, ensuring a perfect fit for every project.
How do TreadTech products handle varying terrain and uneven surfaces?
Our height-adjustable Deck Pedestals are specifically engineered to create a level surface over uneven terrain, with an adjustable height range from 23mm to 785mm.
What makes TreadTech's deck framing solutions environmentally friendly?
Our Deck Pedestals are crafted from high-quality, fully recyclable polypropylene. Additionally, aluminium, a key component of our framing solutions, is infinitely recyclable, making it a sustainable choice. In fact, it's estimated that 75% of all aluminium produced in history is still in use, highlighting its suitability for a circular and eco-friendly economy (Source: CRU International study, March 2022; The Aluminium Association, 2021).
TreadTech is a creation of UNEX Systems, a family business since 1981, specialises in crafting premium aluminium products, including balustrades, pool fencing, screens, and more.
Contact Us
info@treadtech.nz
(07) 850 9464
42 Bryant Road, Hamilton
