DriStud FRU 28
- Valid from
- Information provider
- Ministry of Business, Innovation and Employment
- Information type
- Product Certificate (CodeMark)
DriStud FRU 28 is a fire retardant, self-supporting synthetic roof underlay.
It is a micro porous, water resistant film that is laminated to two layers of non-woven spun-bonded polyolefin.
DriStud FRU 28 is designed to be used as underlay beneath roof claddings to assist with the weathertightness of buildings. DriStud FRU 28 is 180 gsm.
DriStud FRU 28 is intended for use on new and existing buildings in Wind Zones up to and including ‘Extra High’, as defined in NZS 3604:2011.
It can be installed over both timber and steel roof framing to assist in the weather tightness of the roof cladding system.
In new buildings the framing must comply with the NZ Building Code.
For existing buildings, the designer and installer must assure themselves that the structure is adequate for the intended building work.
DriStud FRU 28 can be used under: Concrete, terracotta and metal tiles, profiled metal roof claddings.