The Latest Technology in Two-Layer Bituminous Membrane Systems

Now you can have your cake and eat it too with the introduction of the Viking Roofspec Halley-P No Flame, bituminous membrane system. This two-layered system is installed in the same staggered format as a traditional torch-on system, except that both layers are self-adhering with no flame required.

Both the ceramic cap and base sheet membrane rolls have a release paper on their underside, making installation quick. The factory-applied adhesive has been specially formulated, so it cannot be combined with any other membrane type. Once the roof installation is complete, the bond between the membrane layers and to the substrate continues to strengthen over time.

Viking Roofspec’s Halley-P No Flame chemical make-up is a hybrid of bitumen compounds that combines the tensile strength and puncture resistance of an APP (plasticised) bitumen, with the flexibility of an SBS (rubberised) bitumen. Halley-P’s No Flame temperature flexibility range means that it possesses a cold flexibility quotient as low as -25°C and high temperature flow resistance of +120 °C

The Viking Roofspec Halley-P No Flame system is backed by a 20-year warranty and can only be installed by an Approved Applicator.

This competition has now closed.

To learn more about the Viking Roofspec Halley-P No Flame system, contact Viking Roofspec.

Halley-P NO FLAME

Viking Roofspec

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Viking Halley-P NO FLAME is a self-adhered two-layer membrane system — the newest member to Viking Roofspec's bituminous membrane category.

Viking Halley-P NO FLAME membrane is suitable for low-slope roofs (flat or curved), gutters and parapets, waterproofing beneath a floating deck, inland and coastal conditions, commercial and residential buildings.

This system has been assessed as a roof waterproofing membrane on buildings within the following scope:

The scope limitations of NZS 3604:2011 and NZBC Acceptable Solution E2/AS1, Paragraph 1.1; or,
The scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area when subject to specific structural design; and,
Situated in NZS 3604:2011 Wind Zones, up to and including Extra High; and,
With substrates of plywood or suspended concrete slab; and,
With a minimum fall for roofs of 1:30 (2 degrees)

Viking Halley-P has also been assessed for use as a roof waterproofing membrane on buildings within the following scope:

Subject to specific structural and weathertightness design situated in wind pressures up to a maximum design differential ultimate limit state (ULS) of 6 kPa: and,
With substrates of plywood or suspended concrete slab

Clause B1 STRUCTURE: Performance B1.3.1 and B1.3.4 (b) (c) (d) (e) for the relevant physical conditions of B1.3.3 (p). Viking Halley-P NO FLAME Waterproofing Membrane meets this requirement
Clause B2 DURABILITY: Performance B2.3.1 (b), 15 years. Viking Halley-P NO FLAME membrane meets this requirement
Clause E2 EXTERNAL MOISTURE: Performance E2.3.1, E2.3.2 and E2.3.7 (b) and (c). Viking Halley-P NO FLAME Membrane meets these requirements
Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Viking Halley-P NO FLAME Membrane meets this requirement and will not present a health hazard to people

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