Technical Statement
Product Description
Thermathene Orange is a 300 micron concrete underlay that is made from a puncture and tear resistant polyethylene film.
Thicker and stronger than conventional polythene, it is also commonly known as Damp Proof Membrane (DPM).
Scope of use
Thermathene Orange is intended for use as a damp-proof membrane separating concrete slab from ground soil.
The product acts as a vapour barrier to stop ground moisture penetrating the concrete. Thermathene Orange must be sealed with Thermakraft White General Purpose tape, Thermakraft Premium Joining Tape or Aluband/Thermaflash Window Flashing Tape at the laps joints to form a complete vapour barrier.
New Zealand Building Code (NZBC)
The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
- Clause B2 Durability: Performance B2.3.1(a), B2.3.1(b)
Clause B2 DURABILITY: Performance B2.3.1 (a) not less than 50 years. Thermathene Orange Concrete Underlay meets this requirement.
- Clause E2 External moisture: Performance E2.3.3
Clause E2 EXTERNAL MOISTURE: Performance E2.3.3. Thermathene Orange Concrete Underlay meets this requirement.
- Clause F2 Hazardous building materials: Performance F2.3.1
Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Thermathene Orange Concrete Underlay meets this requirement.
Evidence
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
Thermathene Orange is an acceptable solution as per the requirements of the NZBC.
Thermathene Orange meets the requirements of NZBC 3604:2011 Clause 7.5.4.2, NZBC Acceptable Solutions E2/AS1, Table 23 and NZS 4229:2013 Clause 7.4 & 7.6.
When Thermathene Orange is used and installed as a damp-proof membrane as per Kingspan Thermakraft’s literature, the product will meet or contribute to meeting the following provisions of the NZBC: Clause B2 Durability: Performance B2.3.1 (a), 50 years, Clause E2 External Moisture: Performance E2.3.3 & Clause F2 Hazardous Materials: Performance F2.3.1.
Refer to BRANZ Appraisal No. 1104 [2020] for full details.
Supporting evidence
The product has and can make available the following additional evidence to support the above statements:
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BRANZ Appraisal
1104 |
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Product Criteria
Maintenance requirements
No regular maintenance required.
Quality Assurance
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ISO 9001 (Quality Management) |
Relationships
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Member of New Zealand Green Building Council |
