We specialise in Underfloor Insulation and supply of Polystyrene pre-cut rigid EPS foam board products for wall linings, concrete slabs, outside requirements or lightweight inground fill. Expol Insulation has been appraised for use as thermal insulation material for walls, ceilings and floors ..just about anywhere you need a lifetime of dryness

Within our site you can find out how to DIY with Underfloor Insulation, with our instructional step-by-step video and helpful notes. We’ve taken all the stress out for those handy folk who want to give it a bash and install Underfloor themselves.

For those who are time limited or prefer a professional installer to do the job, check out our Finda-installer page.

We are here to help, so check out our FAQ section or contact us direct.

Benefits of Expol Under-floor Insulation - provided only by Expol

• 16 years of insulation experience
• BRANZ Approved product • 50 year product guarantee
• Easy to install 1200mm lengths
• Mandatory air gap for more insulation and fast evaporation of moisture
• More insulation for minimum cost • Tried and tested R Value of 1.4
• Installation service available in most areas NZ wide
• Guaranteed fire retardant material
• Product packed in bags ready for transportation nationwide