Thermakraft Proudly New Zealand Made for Over 30 years

Thermakraft is on of the only New Zealand manufacturers of synthetic wall and roofing underlays, developed specifically to comply with the New Zealand building code and climatic conditions. As a recognised leader in the industry, Thermakraft is always looking for innovative solutions to make New Zealand homes smarter, safer and healthier.

The product range includes 29 individual products with specific focus on permeable wall and roof underlays. In fact, the One Wrap System is BRANZ appraised; 10 products, One System, One Warranty. All the wraps are produced on the state-of-the-art powder adhesive and ultrasonic laminating machines which are unique to the Southern hemisphere.

Thermakraft's market-leading range includes self-supporting Covertek synthetic roof underlay and Watergate Plus which offers high water resistance and water vapour permeability. All products are tried, tested, trusted and manufactured in Auckland.

Product formulation has been developed and proven over many years to ensure optimum performance and reliability. Core is a mantra of excellence that extends to the products, environment, and every touch point with the market.

Thermakraft has a history of excellence, producing the latest technology in wall and roof underlays to world class quality standards that are rigorously tested and proven in the Australasian market.

The products are supported by a market leading technical service to ensure customers and end users have easy access to technical information when making important decisions around products and applications.

Controlling manufacturing means control over quality. Thermakraft operates to ISO9001 standard with an exemplary record. Every batch of underlay that comes out of the factory is rigorously tested to Australian and New Zealand standards.

The in-house R&D laboratory is central to the ethos of innovation and product excellence, pushing the boundaries in the development of new products so that the needs of the industry can be met in a continuously evolving environment.

Thermakraft are constantly developing and testing new innovations and production methods to remain at the forefront of building technology and a leader in the industry.

Thermakraft One Wrap System

Kingspan Thermakraft

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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 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

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

Thermakraft CoverTek 403 — Roof and Wall Underlay

Kingspan Thermakraft

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CoverTek 403 Roof and Wall underlay is a fire retardant, absorbent and breathable synthetic roof and wall underlay, constructed using a microporous water-resistant film sandwiched between two layers of shrink-resistant spun-bonded polyolefin.

Suitable for use as a roof underlay:

NZS 3604: when used as a roof underlay is suitable for use all wind zones, up to, and including, Very High
Suitable with masonry tile roof cladding
With metal tile and profiled metal roof cladding
Can be used as a roof underlay on roofs of 10 degrees pitch or greater. Requires support
Will provide temporary weather protection during construction (roofs 7 days) same day coverage recommended
May be installed in adverse conditions
May be run to any length, including under dark coloured roofs
Has a 150mm lap line printed on each edge

Suitable for use as a wall underlay:

NZS 3604: when used as standalone flexible underlay — up to, and including, Very High
NZS 3604: when used as a flexible underlay over a rigid wall underlay — up to, and including Extra High
Can be used as a wall underlay on timber and steel framed buildings with absorbent and non-absorbent wall cladding direct fixed to framing
Can be used as a wall underlay on timber and steel framed buildings with absorbent and nonabsorbent wall cladding installed over an 18mm minimum drained cavity
Will provide temporary weather protection during construction (walls maximum 42 days)
Can be used as a non-rigid backing material for stucco plaster
May be used as a slip layer over rigid backing for stucco
Is suitable as an air barrier in unlined walls

Clause B2 Durability: Performance B2.3.1 (a), not less than 50 years, B2.3.1 (b), 15 years and B2.3.2

Clause C3 Fire Affecting Areas Beyond The Fire Source: Performance C3.4 (c). Thermakraft CoverTek 403 Plus meets this requirement

Clause E2 External Moisture: Performance E2.3.2. When used as part of the cladding system, Thermakraft CoverTek 403 Plus will contribute to meeting this requirement

Clause F2 Hazardous Building Materials: Performance F2.3.1. Thermakraft CoverTek 403 Plus meets this requirement and will not present a health hazard to people

Thermakraft CoverTek 403 Roof and Wall Underlay has an AS 1530 Part 2 flammability Index of not greater than 5 and therefore meets the requirements of NZBC Acceptable Solutions C/AS2 to C/AS6, Paragraph 4.17.8 b), for the surface finish requirements of suspended flexible fabric used as an underlay to exterior cladding that is exposed to view in occupied spaces. It may therefore be used with no restrictions in all buildings.

BRANZ Appraised

CodeMark

Thermakraft Watergate Plus

Kingspan Thermakraft

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Thermakraft Watergate Plus is a fire retardant absorbent breathable wall underlay.

Thermakraft Watergate Plus can be used as a wall underlay on timber and steel framed buildings within the following scope:

The scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1, with regards to building height and floor plan area; and,
With absorbent wall claddings directly fixed to timber and steel framing; and,
With non-absorbent wall claddings directly fixed to timber and steel framing; and,
With absorbent and non-absorbent wall claddings installed over an 18mm minimum drained cavity;
With masonry veneer in accordance with NZS 3604, NZBC Acceptable Solution E2/AS1 for timber framed buildings, or specific engineering design for steel framed buildings; and,
Situated in NZS3604 Building Wind Zones up to, and including ‘Very High’ when used as a standalone flexible underlay, and “Extra High” when used as a flexible underlay over a rigid wall underlay.
Can be used as a non-rigid backing material for Stucco Plaster in accordance with the requirements of NZBC Acceptable Solution E2/AS1 Paragraph 9.3.5.1.
The Underlay must be supported with 75mm galvanized mesh, or Thermakraft Stud Strap at 150mm centres run across cavity battens to limit deflection to a maximum of 5mm.
May also be used as a slip layer over rigid backing for Stucco Plaster in accordance with the requirements of NZBC E2/AS1 Paragraph 9.3.3(b).
Refer BRANZ Appraisal No 695 (2017) for full details.
May be used with LOSP treated timber.
Is suitable as an air barrier in unlined wall spaces.
Is suitable to be used in conjunction with thermal breaks on steel framed buildings.
Is suitable for direct fixing behind metal cladding

Meets the Performance Requirements of NZBC Clauses B2, Durability (B2.3.1 (a) 50 years, B2.3.1 (b) 15 years and B2.3.2), E2 External Moisture (E2.3.2), and F2 Hazardous Building Materials F2.3.1, providing

It is not damaged
Installed in accordance with instruction guide
Is not left exposed for more than 90 days
Installed by or under guidance of Licensed Building Practitioners
Is compatible with cladding system used

BRANZ Appraised

CodeMark

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