Description

DriStud REPEL is a fire retardant Heavy Duty 4 layer Flexible Air Barrier Wall Wrap with High Water Resistance.

The front side is dark green, non-woven polypropylene and reverse side is white, non-woven PET. The sheet is marked "DriStud REPEL".

DriStud REPEL is a wall underlay and flexible air barrier, and is suitable for use as temporary weather protection to allow interior works to continue inside the building without the exterior wall cladding fully in place.

Scope

1. DriStud REPEL is certified for use as a wall underlay and air barrier on buildings:

• a) within the scope limitations of:
  • i) NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area for timber-framed construction; or
  • ii) NZBC Acceptable Solution E2/AS4 with regards to building height and floor plan area for light-steel framed construction, and
• b) situated in wind zones (as defined in NZS 3604:2011) up to and including ‘Extra High’, provided stud and fixing centres are no greater than specified in the DriStud REPEL Installation Guide Rev 1.0 March 2023, and
• c) with absorbent or non-absorbent wall claddings directly fixed to the frame; or installed over an 18mm minimum drained cavity; or with masonry veneer, in accordance with NZBC Acceptable Solution E2/AS1 for timber framed buildings or NZBC Acceptable Solution E2/AS4 for steel framed buildings, and
• d) in locations including where the underlay is exposed to view in an occupied space.

2. DriStud REPEL shall be:

• a) installed in accordance with the DriStud REPEL Installation Guide Rev 1.0 March 2023, and
• b) separated from fireplaces, heating appliances, flues and chimneys in accordance with the requirements of NZBC Acceptable Solutions C/AS1 and C/AS2, Paragraph 7.5.9 for the protection of combustible materials, and
• c) protected from sunlight within 90 days.

3. Contribution to compliance with Building Code clause H1.3.1(b) is conditional on:

• a) the element incorporating DriStud REPEL being part of the thermal envelope of the building, and
• b) horizontal and vertical laps being securely taped.