TreadTech ALUMINIUM DECK FRAMING & PEDESTAL SYSTEM
Product Technical Statement: 113638
A complete aluminium deck framing and adjustable pedestal system for modern outdoor spaces.
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Level of assurance needed to demonstrate NZ Building Code Compliance
Supporting documentation should include technical information by manufacturer and either a BRANZ or independent Appraisal or CodeMark
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TreadTech
confirms that this minimum level of assurance has been met or exceeded by the following:
Unex
PS1
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Technical Statement
Product Description
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, long-lasting 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.
Scope of use
TreadTech, when installed in accordance with Installation Guide, is intended for use as a deck framing system in horizontal applications. It has been designed to support Composite decking boards, Exterior structural tiles and hardwood timber decking boards.
New Zealand Building Code (NZBC)
The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
- Clause B1 Structure: Performance B1.3.1, B1.3.2, B1.3.3(a), B1.3.3(b), B1.3.3(f), B1.3.3(g), B1.3.3(j), B1.3.4
Performance B1.3.1, B1.3.2 and B1.3.4. TreadTech meets the requirements for loads arising from self-weight, imposed gravity loads arising from use, and earthquake impact [i.e. B1.3.3 (a), (b), (f), (g), and (j)]. - Clause B2 Durability: Performance B2.3.1
Extruded aluminium joists and bearers manufactured from 6060 T5 or T6 aluminium alloy and either powder coated or anodized. - Clause F2 Hazardous building materials: Performance F2.3.1
Performance F2.3.1. The TreadTech – Aluminium Deck Subframe System meets this requirement and will not present a health hazard to people.
Supporting evidence
The product has and can make available the following additional evidence to support the above statements:
Product Criteria
Design requirements
See producer statement.
Installation requirements
See technical specification sheet document.
Maintenance requirements
See care and maintenance document.
Warrantees
UNEX Systems 10 Year Product Warranty - Residential
Building Product Information Requirements
Manufacturer
Legal Trading Name:
Unex Systems
Business Email:
info@unex.co.nz
Contact Number/s:
7 8509464
800 333777
Product Identifier
TREADTECH
Warnings
This product has no warnings associated with it.
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Date last validated:
17 March 2026 |
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Date last updated:
17 March 2026 |
Disclaimer
The Product Technical Statement (PTS) template is copyright to Construction Information Limited. However the content of this PTS is the responsibility of the product manufacturer/supplier.
Refer to the miproducts Terms and Conditions
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