Appraisal number: 256 (2020)
Date issued: 28 Feb 2020
Expol Underfloor Insulation
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.
EXPOL Underfloor Insulation has been appraised as a thermal insulation material:
- for timber-framed floors in new or existing domestic and commercial buildings
- for use under floors that have an enclosed perimeter foundation as defined in NZS 4246
- for exposed subfloors and subfloors with wind exposure when clips are used to secure the insulation.
EXPOL Premium Underfloor Insulation & Garage Door Insulation - only sections relating to EXPOL R1.4 White Underfloor Insulation
Always refer to the Appraisal in full and the technical literature.