DuPont™ Tyvek® Homewrap®

Building Solutions | DuPont™ Tyvek® Homewrap®

DuPont™ Tyvek® HomeWrap 

The world’s leading house wrap, with more than 25 years performance on millions of homes.


DuPont™ Tyvek® HomeWrap 

DuPont created Tyvek® HomeWrap to have the optimum balance of properties for superior performance against the elements and the competition. When choosing DuPont™ Tyvek® HomeWrap, you can be assured you are using the leading brand of wall underlays


Features & benefits

Feature Benefit
Unique Flash Spun HDPE patented product
  • Durability
  • High Tensile strength and lightweight
  • Excellent Water Hold-out
  • Available in sizes: 914mm, 2743mm and 3048mm
  • High Water Vapour Permeability
  • A total building envelope system
  • Suitable from Arizona to Antarctica weather conditions

    Physical properties

    Method Unit Value
    Technical Properties Test Method NZBC E2/AS1 DuPont™ HomeWrap® 1055B
    2.2.1 Water Vapour Resistance ASTM E96-B <7 MNs/g 0.56MNs/g
    2.2.2 Absorbency AS/NZS 4201:6 >100gsm non-absorbent (33g/m²)
    2.2.3 Water Resistance AS/NZS 4201:4 20mm/24hr pass
    2.2.4 Shrinkage AS/NZS 4201:3 <0.5% pass
    2.2.5 pH Extract AS/NZS1301.421S 5.5-8.0 pass
    2.2.6 Mechanical Strength - -
    Edge Tear (MD) ASTM D882 150N 190N
    Edge Tear (CD) ASTM D882 100N 290N
    Tensile (MD) ASTM D882 3.0kN/m 4.3kN/m
    Tensile (CD) ASTM D882 1.0kN/m 5.3kN/m
    2.2.7 Flammability NZS/AS 1530.2 ≤5.0 ≤5.0
    2.2.8 Air Resistance BS6538:Part3 ≥0.1 MNs/m³ pass
    2.2.9 Resistance to UV Exposure ASTM G154 ≥85% strength pass
    Durability (2.3.1 UV Resistance) Allunga 60-90days 120 days
    Wind Speed/Pressure NZS 2295 Table B1 - Very High
    RAB-Extra high - - Very High
    Weight - - 61gsm