• For a risk score between 0-20 in accordance with NZBC Acceptable solution E2/AS1
• Building Wind Zones up to and including Very High NZS3604:1999, Extra High if used over Rigid Air Barrier
• To seal around windows, doors and other wall penetrations as a secondary defence against water penetration
• It is compatible with timber and steel framed buildings
• It is compatible with most construction materials including concrete, wood, steel and synthetic wall underlays
• Can be used in Rigid Air Barrier applications on ply and fibrecement substrates

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DuPont FlexWrap NF when installed in accordance with the recommended guidelines will meet or contribute to meet the following provisions of NZBC:

• NZBC Clause B2: Durability. Meets the requirement of NZBC B2.3.1 a) 50 years b) 15 years
• NZBC Clause E2: External Moisture. Contributes to meet these requirements
• NZBC Clause F2: Hazardous Building Materials. Meets this requirement and will not present a health hazard to people

DuPont FlexWrap NF meet the requirements of Acceptable Solution to NZBC E2, and has a CodeMark Product Certification.

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CodeMark

• Cavity:
  • All cladding types with both timber and steel framing
  • Rigid Air Barriers, (over-sheathed)
• Direct fixed:
  • With absorbent claddings such as timber, polyymeric cladding, plywood, gypsum fibre cement, brick wood, and stucco plaster on timber framing, or over thermal break on steel framing
  • Rigid Air Barriers, (over-sheathed)

• All cladding types with both timber and steel framing
• Rigid Air Barriers, (over-sheathed)

• With absorbent claddings such as timber, polyymeric cladding, plywood, gypsum fibre cement, brick wood, and stucco plaster on timber framing, or over thermal break on steel framing
• Rigid Air Barriers, (over-sheathed)

DuPont Tyvek HomeWrap Wall Underlay:

• Can be installed in all Wind Zones up to and including Very High, or Extra High if over a rigid air barrier
• A non-directional wall underlay meaning the wrap can be installed upside down or inside out and performance will not be compromised
• Resistant to most surfactants meaning it is suitable for use behind Cedar Cladding (endorsed by the Western Red Cedar Association)
• Can be used in all New Zealand climate zones
• Can be used in all seismic and corrosion zones

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As per CodeMark Certification, DuPont Tyvek HomeWrap, when installed in accordance with the recommended guidelines will meet or contribute to meet the following provisions of NZBC:

• NZBC Clause B2: Durability. Meets the requirement of NZBC B2.3.1 a) 50 years and b) 15 years
• NZBC Clause E2: External Moisture. Contributes to meet these requirements
• NZBC Clause F2: Hazardous Building Materials. Meets this requirement and will not present a health hazard to people

DuPont Tyvek HomeWrap is an Acceptable Solution to NZBC E2/AS1

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CodeMark