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Thermakraft 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
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



BRANZ Appraised
BRANZ Appraised
Data Sheet

Issue 1, Oct 2020

Quick Reference Guide


Thermakraft on Masterspec
BRANZ Appraisal 611 — James Hardie RAB Joining and Flashing Tape

No.611 [2020] 7 Dec 2020

Installation and Operation

Issue 1, Oct 2020

Kingspan Thermakraft Warranty Statement

Issue 3, Aug 2022

Kingspan are New Zealand’s leading provider of high-performance insulation products and complementary Thermakraft range of premium wall & roof underlay products, flashings tapes & underlay mesh.

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