PRIMA plank

The Ideal Wood Substitute


PRIMA Plank is an autoclaved cellulose fibre reinforced cement siding board manufactured by Hume Cemboard Industries Sdn Bhd (HCI) an ISO 9001 & ISO 14001 certified company. Manufactured from portland cement, cellulose fibre, finely ground sand and water, PRIMA Plank has become extremely popular when a relatively maintenance free timber planking appearance is desired.

PRIMA Plank has superior dimensional tolerance and durability, it will neither warp nor become twisted when exposed to weather, PRIMA Plank meets the durability and serviceability life of minimum 50 years. Available in “Smooth Surface” (for traditional timber look), and “Woodgrain Texture” (for enhanced timber profiling) and “Timbergrain Texture” (for straight grain wood profiling). PRIMA Plank is becoming popular among house owners and specifiers when it comes to the refreshing “Natural Timber Look”.

Product Features

  • Strong & durable
  • Highly resistant to decay, termite attack and most chemical
  • Weather resistant
  • Easy to paint and good workability
  • Natural timber look
  • Fire resistant - Class "O" and deemed non combustible to Building Code of Australia (BCA)

Product Applications

  • Fascia Board Ceiling, Gate and Fencing, Skirting, Screening, Decking, Wall and Gable End Cladding.

Material Properties & Composition

Properties Values
Product Composition • Top Grade Cellulose Fibre
• Finely Ground Sand
• Portland Cement
• Water
Nominal Density EMC= 1390kg/m³
Moisture Content EMC= 7% Saturation = 33%
Moisture Movement 0.08% (EMC to Saturated)
Minimum Bending Strength, MoR Dry = 14MPa ; Wet = 7MPa
Average Modulus of Elasticity, MoE Dry = 8GPa ; Wet = 5GPa
Fire Rating Class O Material (Certified by Bomba)
Tested to BS 476, Part 6: 1989 & BS 476, Part 7: 1997
Fungus Resistance Passes (ASTM G21)
Termite Resistance Resistance to Damage (Field evalution conducted by CSIRO)
Frost Resistance Passed (AS/NZS2908.2, MS 1296, ISO 8336, BSEN 12467, ASTM C1186)
Heat Rain Resistance Passed (AS/NZS2908.2, MS 1296, ISO 8336, BSEN 12467, ASTM C1186)
Surface Rating Pre-Primed Available

Top Coat Finishing

Protect and decorate your fibre cement surface with stain paint or water base paint, giving it a natural wood look with excellent weather, alkaline, fungus and algae resistance.