• 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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Extra High Wind Zone

Low Wind Zone

Very High WInd Zone

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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Durability

External Moisture

Hazardous Building Materials

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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Corrosion Exposure Zone D

Very High Earthquake Zone

Low Wind Zone

Specific Design Wind Zone

Very High WInd Zone

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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Durability

Protection from Fire

External Moisture

Internal Moisture

Hazardous Building Materials

Energy Efficiency

CodeMark