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Thermakraft One Wrap System

The Thermakraft flexible wall membrane system is a multi-product integrated system design to assist with the passive control of air and moisture in buildings constructed in compliance with NZS3604:2011 and the requirements of all relevant compliance documents.

The products specified in the system are all compatible and comply with the relevant performance requirements of the NZBC, when installed as intended Thermakraft offers a full system warranty.

Key Features
  • One system
  • One BRANZ appraisal
  • One warranty
  • One product statement

BRANZ Appraised products covered by this system:

  • Watergate Plus — BRANZ Appraisal 695 (2017)
  • Thermakraft 220 — BRANZ Appraisal 912 (2016)
  • CoverTek 403 — BRANZ Appraisal 918 (2016)
  • Aluband Window Flashing System (Bituminous) — BRANZ Appraisal 878 (2014)
  • Aluband Xtreme — BRANZ Appraisal 947 (2017)
  • OneSeal Multi-fit Pipe and Cable Penetration Seals — BRANZ Appraisal 942 (2017)
Scope of Use

The Thermakraft One Wrap System is used behind wall cladding systems and around framed joinery openings as a secondary weather resistant barrier for walls.

System has been appraised for use a s flexible wall underlay system:

  • On timber and steel framed buildings 
  • Over rigid wall underlays on timber and steel framed buildings

See BRANZ appraisal for full scope

Statement of Building Code Compliance

In the opinion of BRANZ, The Thermakraft One Wrap System, if designed, used, installed, and maintained in accordance with the statements and conditions of the Appraisal, will meet, or contribute to meeting the following provisions of the NZBC:

  • B2 Durability: Performance B2.3.1 (a), not less than 50 years, B2.3.1 (b), 15 years and B2.3.2. the Thermakraft One Wrap System meets these requirements.
  • E2 External Moisture: Performance E2.3.2. When used as part of the cladding system, Thermakraft One Wrap System will contribute to meeting this requirement.
  • F2 Hazardous Building Materials: Performance F2.3.1. The Thermakraft One Warp System meets this requirement and will not present a health hazard to people.
BRANZ Appraised
BRANZ Appraised
Quick Reference Guide


Thermakraft on Masterspec
Data Sheet: Thermakraft One Wrap System

Issue 5, Sep 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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