Expol Underfloor Insulation - the ultimate choice for new homes


Placed snugly between the floor joists, the Expol under floor insulation will ensure your home is protected from extreme temperatures beneath your floor. Save up to 12% on your heating bills.

Underfloor Insulation gives great benefits:

  • Save up to 12% on your heating bills*. Expol under floor insulation keeps the heat in for winter and keeps the heat out for summer
  • Improves insulation rating of your home
  • Great for pole houses and all exposed wooden floors
  • Expol Insulating panels conform to minimum R value 1.4 for timber floors of AS/NZS 4859.1:2002
  • For self installers, full installation instructions are provided on all bags.
  • For technical information please refer to our BRANZ appraisal

Expol Underfloor Insulation

Placed snugly between the floor joists Expol Insulation will ensure your home is protected from the extreme temperatures under your floor. Expol under floor insulation has excellent thermal properties as it consists mainly of stabilised air.

Expol Insulation is safe to install, non-allergenic, contains a flame retardant. Its thermal performance is not affected by ageing, and contains no CFC's.


expolunder floor Render


Expol under-floor insulation is available in easy to handle panels:

  • 1200 x 360 x 60mm
  • 1200 x 410 x 60mm
  • 1200 x 470 x 60mm
  • 1200 x 560 x 60mm


panel Sizes



Expol Insulation incorporates FLEXICUT - a unique system provided for simple installation! Easy to cut with a sharp knife. Spring into place, cut or break off to ensure a snug fit between the floor joists.


* For information about energy saving see EECA (Energy Efficiency and Conservation Act)