Polymax | Polyester Underfloor Insulation | About


  • 100% Polyester
  • Contains at least 40% recycled component
  • Non irritant, non-toxic, non-allergenic, and non-respirable.
  • No itching, no glass fibres in your skin, eyes or lungs.
  • Maintains its loft (thickness) for the lifetime of your home
  • Can be firmly secured between the joists with staples 
  • Hydrophobic, does not hold moisture
  • Not affected by mold or mildew
  • Rodent resistant – rats and mice don’t like it, won’t eat it, and won’t nest in it
  • Non flammable – will not hold a flame
  • Heat-bonded, with no binding chemicals or glues
  • Formaldehyde-free
  • ISO9001 Quality Certification
  • ISO14001 Environmental Management System Certification
  • 70 years Durability Warranty
  • Manufactured in Australia
  • Made for Australian wooden floors


  • Helps make your home warmer in winter and cooler in summer
  • Reduces energy costs by up to 20% while improving comfort
  • Prevents draughts from coming up through your floor boards 
  • Perfect for allergy sufferers as it is non toxic and non allergenic
  • Improves the value of your home
ecoMaster's polyester subfloor insulation is rated at R2.5, which achieves an overall rating of R 3.2 (without carpet) or R 3.5 (with carpet).