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DuPont™ Tyvek® Supro

Wall Underlay

A High Performance Underlay compatible with most claddings.

NZBC Compliance

NZBC Clause B2: Durability. Meets the requirement of NZBC B2..3.1 a) 50 years and b) 15years

NZBC Clause E2: External Moisture. Contributes to meeting these requirements

NZBC Clause F2: Hazardous Building materials. Meets this requirement and will not be a health hazard to people


DuPont™ Tyvek Supro is a synthetic, breathable, 

commercial grade, wall underlay.

It can be installed in all wind zones, including extra high, per NZS 3604.

DuPont™ Tyvek Supro may be used as a weather barrier under suspended timber floors or behind absorbent & non absorbent wall claddings including:

  •  Fiber cement
  • Timber/Cedar
  • Metal
  • Brick
  • Stucco/Plaster

Features and Benefits: 

  • CodeMark™  Certified to ensure compliance with NZBC E2/AS1
  • Made in Germany & Backed by a DuPont, a 212 year old company
  • Fire retardant
  • UV resistant for up to 120 days giving the installer more time  to install cladding

​DuPont™ Tyvek® Supro is available in roll size: 1500mm x 50m (75m²)