PRODUCT TECHNICAL STATEMENT – FLAMEfixx dFx® Material, product or form of construction
FLAMEfixx dFx® Decking and Substructure
Issued by (company)
ITI (Australia) Pty Ltd
Reference number Version and date of issue
Version 3 – 30 August 2024
PRODUCT DESCRIPTION
FLAMEfixx dFx® is a wood product (radiata pine) that can be used in exterior above-ground applications, including deck structures (decking boards, bearers, joists and posts) and building sub-floors (bearers, joists and posts) in bushfire-prone areas for exposures up to and including Level BAL 40.
APPLICATION AND INTENDED USE FLAMEfixx dFx® is suitable for structural timber applications, exposed to AS 3959 Bushfire Attack Levels BAL 12.5, 19, 29 and 40 and used in an above-the-ground and exterior environment, subject to periodic moderate wetting and leaching (AS 1604.1 [1] Hazard Level 3).
LIMITATIONS OF USE
Not suitable for in-ground contact or other AS 1604.1 [1] Hazard Level 4 applications or above. Must be used above the flood hazard level. Construction activities are limited by recommendations contained in AS 1720.3 [2].
COMPLIANCE WITH THE NATIONAL CONSTRUCTION CODE National Construction Code – Building Code of Australia – Volume 1 and 2 [3] Only the relevant clauses are included in the description below. NCC Volume One - Part B1P1 Structural Provisions and NCC Volume Two – Part H1 The performance requirements of Volume One Section B, B1P1 to B1P4 Part B1 are met via Deemed-toSatisfy Provision B1D1, i.e., B1D2 to B1D6, and Volume Two Part H, H1P1 and H1P2 are met via Deemed-toSatisfy Provision H1D2 to H1D11. NCC Volume One - B1D4 Determination of structural resistance of materials and forms of construction (f) Timber construction and NCC Volume Two - H1D6 Framing (4) FLAMEfixx dFx® decking boards are designed in accordance with TDA Decking Board Design Criteria [4]. The board has an appearance grade in accordance with AS 4785.1 [5], of grade Standard or better and meets the CSIRO’s Low-rise Domestic and Similar Framed Structures Part 1. Design Criteria [6], deflection limit of 0.17 mm for 100 N concentrated load. The maximum concentrated load of 1.8 kN equals a maximum deflection of 3.0 mm. The maximum decking board span is determined with AS 1684 Part 2 [7], Part 3 [8] or Part 4 [9]. FLAMEfixx dFx® substructure timbers (bearers, joists, and posts) are to be designed in accordance with AS 1720.1 [10] or AS 1684 Part 2 [7], Part 3 [8] or Part 4 [9]. FLAMEfixx dFx® structure sawn timber complies with AS 1720.1 [10] or AS 1684 Part 2 [7], Part 3 [8] or Part 4 [9] by visually graded sawn timber conforming to the requirements of AS 2858 [11] or Mechanically graded timber conforming to the requirements of AS/NZS 1748 [12].