Appraisal number: 256
Date issued: 13 Jan 2026
EXPOL Underfloor Insulation
Description
EXPOL Underfloor Insulation is an expanded polystyrene (EPS) foam board for use as a thermal insulation for timber-framed floors. The insulation is pre-cut and compressed to fit a range of flooring joist spacings.
Consenting instructions
Always refer to the Appraisal in full and the technical literature.
Appraisal holder
Manufacturer details
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