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 works with tiled, timber, or composite decks. Adjustable pedestals and aluminium subframes provide durable, level, NZ Building Code-compliant support for a deck built to last.
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 durable, no-weld foundation for modern decking projects, engineered for 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 wide range of components and extrusions, backed by technical guidance and design support, gets your subframe installed right the first time.
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
Simple configuration means fast installation with no welding required.
High Load Capacity
Engineered to handle significant weight, ensuring safety and longevity.
Drainage & Access
Keeps drainage and services beneath the deck accessible after install.
Configurable
A wide range of profiles, crossbars, and connectors fits any deck shape or design.
Deck Pedestals (TreadJack)
TreadTech's TreadJack Deck Pedestals provide a practical, efficient solution for elevated outdoor decking and tile installations.
Designed to create a level outdoor surface even over uneven or sloping substrates, TreadJack Pedestals are suitable for use with tiles, pavers, composite, and timber decking. They deliver reliable structural support across balconies, rooftop decks, terraces, and patios.
Lightweight yet engineered for strength, TreadJack Pedestals are adjustable, compatible with 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 and fully recyclable.
Self-Levelling Design
Provides a stable base for tiles or timber, keeping the finished surface level from edge to edge.
Enhanced Airflow
Effective air circulation prevents water accumulation beneath the surface.
Compliance
Can be used to comply with NZ building regulations for deck membrane applications.
Optional Accessories
Slope correctors, compensation discs, and noise impact protection pads round out the system.
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?
TreadFrame and TreadJack together accommodate heights from 50mm upward (excluding decking thickness), with 115mm and above the ideal range.
Can TreadTech Deck Pedestals be used for both residential and commercial projects?
Yes. TreadJack Deck Pedestals suit balconies, pool areas, rooftops, and multi-unit developments, providing a stable, level foundation for decking and tile installations.
Are the Aluminium Subframes suitable for all types of decking materials?
Yes. TreadFrame supports timber, composite, and tiled decking, giving flexibility across residential and commercial projects.
How do TreadTech products handle varying terrain and uneven surfaces?
TreadJack pedestals adjust from 23mm to 785mm, correcting for slope and uneven substrates to create a level deck surface.
What makes TreadTech's deck framing solutions environmentally friendly?
TreadJack Deck Pedestals are made from fully recyclable polypropylene. Aluminium, the core material in TreadFrame, is also infinitely recyclable - an estimated 75% of all aluminium ever produced is still in use today (Source: CRU International, March 2022; The Aluminium Association, 2021).
TreadTech is a product of UNEX Systems, a family business crafting premium aluminium products since 1981 - including balustrades, pool fencing, and screens.
Contact Us
info@treadtech.nz
(07) 850 9464
42 Bryant Road, Hamilton
