Thermathene Black is a 250 micron concrete underlay that is made from a tear and puncture resistant polyethylene film. It is commonly known as Damp Proof Membrane (DPM).
Product Specifications
Thermathene Black comes in two roll sizes:
| Product Code | Width | Length | Coverage |
|---|---|---|---|
| PF250025 | 4000mm | 25m | 100m² coverage |
| PF250050 | 4000mm | 50m | 200m² coverage |
Scope of use
Thermathene Black 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. Themathene Black must be sealed with Themakraft White General Purpose tape at the laps joints to form a complete vapour barrier.
General
- Unaffected by LOSP or other solvent based treated timber. However, LOSP or other solvent based treated timber must have sufficient time for the solvent to flash off in a well ventilated area. Recommended minimum 7 days.
- 4m x 25m [100m²] and 4m x 50m [200m²] unfolded size.
- 250 Micron in thickness.
Limitations
- Maximum weather or UV exposure in 28 days.
- Cannot be used as a roof or wall underlay.
Compliance
Thermathene Black is an acceptable solution as per the requirements of the NZBC. Thermathene Black 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 Black 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.
Product Warranty
Standard Thermakraft warranty applies. Refer to Thermakraft Warranty Statement for further details. This item is available online here or call 0800 806 595.
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