Thermakraft Thermabar 397 Light Diffusing Reflective Underlay
- Appraisal number 1000
- Amended 9 November 2018
- Valid from
- Information provider
- BRANZ Limited
- Information type
- BRANZ Appraisal
Thermakraft Thermabar 397 is a light-diffusing, reflective, synthetic roof and wall pliable building membrane for use in industrial and commercial buildings.
The product is a laminate of three bonded layers, one surface is white in colour, where the other surface is metallised polyolefin. The white surface provides light diffusion and reflection when applied facing into the building.
Thermakraft Thermabar 397 can also be used as a vapour control layer.
Thermakraft Thermabar 397 has been appraised for use as an exposed light-diffusing and reflective roof and wall pliable building membrane for buildings within the following scope:
- industrial and commercial buildings subject to specific design; and,
- with profiled metal roof and wall cladding; and,
- situated in NZS 3604 Wind Zones up to, and including Extra High.
Thermakraft Thermabar 397 has also been appraised for use as a vapour control layer in industrial and commercial buildings subject to specific design.