Engineered I-Joists

Engineered Wood Systems (EWS) I-JOIST

Engineered I-Joists from Dindas are cost effective and lightweight perfect for residential and commercial construction. Dindas Joists are strong, light weight, easy to install and available in a wide range of sizes. Our joists give you more options for designing economical floor joist layouts.
More options for more economical floor joist layouts
Select the economy section (240 45, 300 45 & 360 45) of appropriate depth to accommodate the spans of the main area of the floor. Cater for any larger spans in the floor area using the wider flange options of corresponding depth.

To make your job easier we provide a free Design & Take-off service 


Consisting of structural LVL flanges and a structural plywood web connected using a Type A waterproof bond, Dindas Joists are strong, light and easy to install.

  • Straight, uniform & dimensionally stable in a lightweight form
  • Greater design flexibility for an economical floor joist layout 
  • Available in 10 section depths
  • Three different flange widths
  • Long lengths up to 12 metres
  • Easier installation of services within the floor space
  • Easier to install compared to hardwood and steel alternatives
  • Sourced from environmentally sustainable plantation pine
  • Stringent quality control - APA - SAI Global certified
Certification & Compliance
Our flanges are manufactured in accordance with AS/NZS 4357, and the plywood web is manufactured in accordance with AS/NZS 2269.  Our product is certified by the Engineered Wood Products Association of Australasia (EWPAA), which is JAS-ANZ certified.  Participation and compliance with this process based quality control scheme ensures ‘Evidence of Suitability’ in accordance with Clause 1.2.2 of the Building Code of Australia (BCA).
Peace of mind against termites
Joists are also available treated (H2-S) for protection against termites and other insects in above ground, weather-protected applications in areas south of the Tropic of Capricorn. It gives all the benefits of structural LVL with added termite deterrent qualities.
Dindas I-Joist Design + Install Guide » Download PDF (12.7 MB)
Dindas Weather Exposed Data Sheet » Download PDF (414 KB)


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