EXPOL UNDERFLOOR INSULATION R1.4 WHITE

Expol insulation provides excellent underfloor insulation for existing timber floors and new floors and comes with a 50-year limited product warranty approved by BRANZ.

Available in an EPS polystyrene sheet form, the product is specifically created to be placed between the joists beneath a suspended timber floor. It is suitable for usage in normal urban residential settings and has an R-value of 1.4.

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Underfloor insulation for timber floors

  • Rigid and durable
    Expol underfloor insulation R1.4 White is made of rigid polystyrene, so it won’t sag over time. It is also manufactured with flame retardant, does not attract rodents, and helps reduce noise from timber floors.
  • Efficient and effective
    Expol underfloor is a highly effective, environmentally responsible solution for insulating suspended timber floors. With an R-value of 1.4 it exceeds the minimum requirement for underfloor insulation and improves the overall insulation rating of the home.
  • Available in a variety of widths:
    Expol White is available in three convenient joist widths 410, 470, 560 (mm). It is quick and easy to install, making it an ideal DIY underfloor insulation project so you can get started on your home improvement project right away.
  • Environmentally friendly
    Where possible, Expol contains recycled material and is fully recyclable. The manufacturing process does not involve the use of ozone-layer-depleting CFCs and HCFCs, nor are there harmful materials present in the finished product. Expanded polystyrene uses less than 0.1% of global crude oil as a feedstock, yet it can deliver up to 200 times its own resource in thermal energy savings.
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Why you should install polystyrene underfloor insulation

  • Keeps your home warm and dry
    Expol Underfloor Insulation helps to keep your home warm and dry, which is healthier for you and your family. When installed correctly, it improves the thermal efficiency of your home, thereby reducing your energy bills, which can save you money in the long run.
  • Improves the overall insulation rating of your home
    Expol insulation exceeds the minimum requirement for underfloor insulation and improves the overall insulation rating of your home.
  • Easy installation
    It is quick and easy to install, so you can get started on your home improvement project right away. It is designed for new and existing timber floors and engineered with concertina edges that can be cut to size to further ensure a perfect fit to stop drafts and damp from entering your home.

Expol underfloor benefits

  • Easy to install
  • Concertina edges which allow for compression of up to 20 mm to create a tight fit
  • Where possible, contains recycled content and can be easily recycled
  • Flame retardant
  • Rigid board so won’t sag over time
  • Resistant to moisture – perfect for flood zones
  • No nutritional value to vermin, birds or animals
  • Ideal for both retrofit applications and new floors
  • 100% recyclable, so any leftovers can go back into manufacturing product
  • BRANZ Appraised and comes with a 50-year product warranty
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  • Expol White Insulation has a BRANZ appraisal. See BRANZ certificate number 871.
  • Expol underfloor insulation can be easily recycled. Simply return your offcuts or unused boards to a StyroCycle drop-off bin to recycle polystyrene.
  • INSULATION STANDARD
    All foam underfloor insulation solutions comply with the Australian and New Zealand Standard AS/NZS 4859.1:2002.
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If you live in a climate with extreme temperature variations and would benefit from a product with a higher R-Value, check out Expol Underfloor R1.8 Black. Infused with graphite to make it 30% more thermally efficient, Expol R1.8 works effectively in both extreme heat and extreme cold conditions to maintain consistent indoor temperatures. Please note – Expol Black r.18 is available in Victoria only

Time to enjoy warmer feet and
save up to 12% on your heating bill.