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Thermakraft Thermathene Orange 300μm is a super high strength concrete underlay, tear resistant polythene film used as a damp proof membrane.
Thermathene Orange is intended for use as a dampproof membrane separating the concrete slab from ground soil. The product acts as a vapour barrier to stop ground moisture penetrating the concrete.
Thermathene Orange Concrete Underlay has been appraised for use as a DPM under concrete slab on-ground floors complying with NZS 3604 or NZS 4229.
Thermathene Orange Concrete Underlay has also been appraised for use as a DPM on buildings subject to specific design within the following scope:
Thermathene Orange is an Acceptable Solution as per the requirements of the NZBC. Thermathene Orange meets the requirements of NZBC 3604:2011 Clause 22.214.171.124, 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 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.
Thermathene Orange Concrete Underlay is a suitable DPM material (polyethylene sheet), and is expected to have a serviceable life of at least 50 years provided it is installed and maintained in accordance with this Appraisal and is continually protected from sunlight and ultra-violet (UV) radiation.
Thermathene Orange Concrete Underlay may be exposed for a maximum period of 30 days before the concrete slab is placed.
Thermakraft Ltd are a leading New Zealand manufacturer of Synthetic and Bituminous underlays for the roof and wall with over 30 years experienceProduct Enquiries
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