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DriStud W9 is a heavy weight, fire retardant, medium duty white faced foil insulation specifically designed for commercial roofs and roof sarking with a high water barrier and medium vapour barrier classification.
Due to its multi-layer structure DriStud W9 offers ease of installation and acts as a barrier to radiant heat, moisture, drafts and dust.
When installed correctly with the white facing down and the reflective foil facing the air cavity it will also provide extra R-Value, a clean white finish and will increase light diffusion and reflection.
DriStud W9 has been tested to AS/NZS 4200:1994 and meets all the requirements of the NZBC:
The products include DriStud wall and roof underlays, Window Flashing Tape, Vent NZ passive ventilation system and Proctor construction membranes.
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