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EXPOL R3.1 BLACK UNDERFLOOR INSULATION

EXPOL’s New Generation, high performance insulation range is consciously designed and engineered to meet the new Building Code Regulations introduced on 1 May, 2023.

Our goal is to reduce our carbon footprint and deliver dryer, warmer, healthier and environmentally friendly spaces.

EXPOL R3.1 is a rigid black panel infused with graphite making it up to 24% more efficient than other polystyrene panels. EXPOL R3.1 is ideal for extremely cold temperatures and windy environments and can be recycled. Manufactured from graphite infused black Expanded Polystyrene material, 1200mm in length, 100mm thick in four standard widths 360, 410, 470, 560.

Backed by a EXPOL 50 Year Product Warranty giving you the satisfaction of knowing that you will have a warmer, drier, healthier home in winter.

EXPOL UnderFloor Insulation is available from participating hardware stores nationwide – find your local outlet here.

DO NOT STORE IN DIRECT SUNLIGHT
Product could be damaged and warranty will be void.

EXPOL New Generation - Superior Performance

EXPOL Performance that meets & exceeds the new insulation standards

EXPOL R3.1 Premium Black UnderFloor Panel 100mm

EXPOL R3.1 Premium UnderFloor Insulation


EXPOL UnderFloor R3.1 Black Insulation can be easily recycled.

The benefits:

  • 24% more efficient than EXPOL R2.5 Insulation
  • EXPOL 50 Year Product Warranty
  • Can be easily recycled
  • Panel rigid flame retardant
  • 4 Joist measurements; 360, 410, 470 & 560mm
  • Easy to Install with concertina cuts which allow for compression of up to 20 mm
  • Resistant to moisture
  • No nutritional value to vermin, birds or animals
  • Four standard widths to fit between most standard joists
  • Ideal for both retro-fit applications and new floors

INSULATION STANDARD

All EXPOL timber floor insulation solutions comply with the Australian and New Zealand Standard AS/NZS 4859.1:2002.

MANUFACTURING STANDARD

All panels have a yellow stripe down one edge to confirm compliance with manufacturing standard AS 1366 Part 3 1992 for SL grade.

It is used as an insulation solution for:

   Timber UnderFloor

UNDERFLOOR INSTALLATION GUIDE

CALCULATOR

Underfloor 2.5 & 3.1

Panel Sizes

EXPOL White R2.5 Underfloor Insulation

Product Properties

EXPOL Underfloor Insulation

EXPOL UNDERFLOOR VIDEOS

EXPOL UNDERFLOOR FAQs

EXPOL Installation Components

Fixings

There are two types of fixings specific to existing floors and new floors. They are made from non-corrosive nylon and are used to fix the EXPOL panels in place.

  • Existing Floors: EXPOL Z Clips are designed as a push fit between the panel and the joist.
  • New Floors: EXPOL Joist Saddles for R2.5 & R3.1 (extended length) are designed to slip over the joist to support and secure the 100mm panel. 
EXPOL Wireguard

EXPOL WireGuard

EXPOL WireGuard  a waxed paper strip to separate exposed electrical cables from the EXPOL insulation. Expanded Polystyrene in some cases reacts with the plasticiser and degrades the elastic properties of some electrical cables over a prolonged period.

EXPOL Styro-Fix Construction Adhesive

Styro-FIX Construction Adhesive

Styro–FIX is an advanced single component polyurethane-based construction adhesive.

This powerful adhesive is developed especially for the construction industry and will bond most types of construction materials including timber (damp and dry), concrete, plasterboard, polystyrene and many other porous and non-porous substrates.

It bonds expanded polystyrene to most surfaces, delivers strong adhesion and rapid cure, it is gun-able and non-drip.

Downloads

   

EXPOL Technical Product Guide

 

EXPOL R2.5 & R3.1 UnderFloor Brochure

 

Technical Data Sheet

EXPOL 3.1 Black UnderFloor Insulation

   

Building Product Information Sheet

EXPOL Timber UnderFloor Insulation

Where To Buy EXPOL

WHERE TO BUY EXPOL POLYSTYRENE PRODUCTS

EXPOL products are available at a number of leading building products stores. Find your nearest stockist here.

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