RFPI Joists

Superior Choice. Better Joist.

RFPI Joists are engineered to perform and provide a cost-effective and lightweight solution for residential and commercial construction. RFPI Joists provide the ideal choice for engineers, specifiers, and builders who want to provide their customers with high-quality floor systems. They provide consistent performance for the most demanding design applications. RFPI Joists is an inherently green product because they are a more efficient use of raw materials. To manufacture our EWP products, we use fast-growing, under-utilized, and less expensive wood species; therefore, large old-growth trees are preserved. By design, engineered wood products require much less wood to achieve the same load-bearing capability of traditional solid sawn timber.

More options for more economical floor joist layouts

Consisting of structural LVL flanges and a structural oriented strand board (OSB) web connected using a Type A waterproof bond, DindasJoists 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 13.2 meters
  • 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 – EPWAA certified

Dindas I-Joists come in a range of depths and widths to provide maximum choice in design and construction scenarios.

Size Range:

Check out our Interactive Single Span Joist tool here
Peace of mind against termites

RFPI 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. Utilising Dindas Australia’s on-site and leading LOSP treatment plant we are the only EWP supplier that has full control over the quality of the treatment process and end-user certification.


Dindas currently imports from New Zealand, the West coast of USA, Canada, Europe and South East Asia...

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