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Premium Joining Tape

Premium Joining Tape, BRANZ approved to join James Hardie RAB sheets and a wide range of flexible underlays and rigid sheathing products.  

Key Features
  • Reinforced, acrylic, strong adhesion
  • 180 day UV exposure
  • Install from -10°C
  • 75mm width
  • Unaffected by LOSP
NZ-Owned Business
NZ-Owned Business
Scope of Use
  • BRANZ Appraised as part of the James Hardie RAB system
  • Join the laps of wall and roof underlays, damp-proof membranes and vapour control products such as foil underlays and rigid sheathing products
  • Suitable to use with air barrier underlays in unlined spaces
  • Suitable to be used in conjunction with thermal breaks on steel framed buildings


Limitations on Use
  • Not a window flashing tape
  • Not to be permanently exposed to weather or UV
  • Do not expose for more than 180 days


Statement of Building Code Compliance


  • B2 
  • E2/AS1
  • F2



B2 Durability compliant
E2 External Moisture compliant
External Moisture
F2 Hazardous Building Materials compliant
Hazardous Building Materials
BRANZ Appraised
BRANZ Appraised
Data Sheet

Issue 1, Oct 2020

Quick Reference Guide

Issue 4, Aug 2021

BRANZ Appraisal: James Hardie RAB Joining and Flashing Tape

No.611 [2020] 7 Dec 2020

Thermakraft Warranty Statement

Issue 2, Nov 2019

Thermakraft on Masterspec
Installation and Operation

Issue 1, Oct 2020

Thermakraft Ltd are a leading New Zealand manufacturer of Synthetic and Bituminous underlays for the roof and wall with over 30 years experience

Product Enquiries

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