Kingspan Kooltherm® K3 Underfloor Insulation Board 36mm

Kingspan Kooltherm® K3 Underfloor Insulation Board is a rigid phenolic insulation panel designed for installation beneath concrete slabs and suspended floor systems. It delivers high thermal efficiency in a thin profile, helping reduce heat loss without increasing overall floor build up.

✓ Rigid thermoset phenolic insulation core for high thermal performance
✓ Fibre free closed cell structure for long term insulation stability
✓ Suitable for use under concrete slabs and suspended timber floors
✓ Low thermal conductivity improves energy efficiency in buildings
✓ Resistant to water vapour transmission for durability in floor systems
✓ Lightweight board for easier handling, cutting and installation
✓ Tissue faced both sides for added strength and protection
✓ Complies with NCC and AS/NZS 4859.1:2018
✓ Australian made product for consistent quality
✓ 2.88m² coverage per board

A reliable underfloor insulation solution for both new construction and retrofit projects, designed to improve comfort and meet modern energy requirements.