This three-in-one reflective insulation is ideal for tight spaces and narrow cavities in residential or commercial sheds. It also acts as an acoustic dampener, meaning that the transfer of unwanted sound will be lessened. This thermal insulation also has a Group 1 Fire Classification to meet or exceed the NCC requirements and is suitable for all BAL’s in bushfire -prone areas. It is a compression resistant insulation, and the ThermalBrane 4 GP is a flexible cost-effective slim fit reflective foam insulation liner and Class 2 Vapour Barrier.