Aluminium Deck Framing & Adjustable Pedestals - TreadTech by UNEX Systems

A fast, compliant deck framing solution trusted by builders, tilers, and architects across New Zealand

TreadTech is a fast, durable aluminium deck framing system for decks, balconies, pools, and rooftops. Featuring height-adjustable Deck Pedestals (TreadJack) and a strong Aluminium Subframe (TreadFrame), it’s built to last in New Zealand’s conditions.

With heights adjustable from 23 mm to 785 mm and built-in slope correction, TreadTech guarantees a level, reliable installation – backed by a 10-year warranty and full NZ Building Code compliance. Designed for simplicity and cost efficiency, TreadTech is the trusted choice for residential and commercial projects, supported by UNEX Systems’ 40+ years of expertise.

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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.

Timber or Composite Decks
Our 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 for reliable performance.

Tiled Decks
This TreadTech System combines our TreadFrame aluminium subframe with TreadJack adjustable pedestals fitted with joist cradles. Designed for tiled deck installations, it delivers robust support, height adjustability, and slope correction, making it a strong, long-lasting solution.

TreadJack for Tile Decks Only

TreadTech System for Timber or Composite Decks

TreadTech System for Tiled Decks