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NZBC Compliance

NZBC Clause B2: Durability. Meets the requirement of NZBC B2.3. 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

NZBC Acceptable Solution E2/AS1, Figures 72A & 72B

DuPont™ Flashing Tape is a "CodeMark™ Certified",peel and stick  flashing tape with a 100% butyl adhesive layer for use around framed joinery openings as a secondary

weather resistant barrier!

DuPont™ Flashing Tape is great for sealing corners, jambs and the head of window & door rough openings of timber & steel framed buildings (some design considerations apply) prior to window installation DuPont™ Flashing Tape is compatible with most building materials including concrete and treated timber.

DuPont™ Flashing Tape may be used in conjunction with  tape or as an alternative to

DuPont™ FlexWrap™

DuPont™ Flashing is available in roll sizes:

101.6mm x 22.9m, 152.4mm x 22.9m, 228.6mm x 22.9m

Features and Benefits:

  • CodeMark™ Certified to ensure compliance with NZBC E2/AS1  requirements
  • Backed by DuPont, a 212 year old company
  • Manufactured with a facing of elastic Tyvek® (polyethylene) backed with a self sealing, highly adhesive butyl rubber and a peel back release paper
  • DOES NOT CONTAIN BITUMEN OR RUBBERISED ASPHALT
  • NO ADHESIVE PRIMER REQUIRED
  • NO PLASTIC CORNERS REQUIRED
  • UV RESISTANT FOR UP TO 120 DAYS
  • Butyl rubber adhesives outperform asphalt based adhesive flashings and can be installed in a wide temperature range down to-4ºC without the need of adhesive primer
  • Compatible with most building wraps including bituminous paper
  • Excellent air and water resistance and not susceptible to abrasion or delamination during the production process
  • Great for sealing brick ties to the wall underlay in high performance buildings
  • Can be installed in all wind zones up to very high 
  • Fire resistant (however must be separated from fireplaces, heating appliances, flue and chimneys in accordance with NZ Building Code)
  • Resistant to surfactants meaning it is suitable for use behind Cedar (endorsed by the Western Red Cedar Association) and suitable for use with LOSP treated timber (conditional upon the solvent in LOSP treated timber having had sufficient time to evaporate-typically 1 week)