The Marshall Weatherization System has been appraised for use on buildings within the following scope:

• Constructed with timber framing in accordance with the scope limitations of NZBC Acceptable Solution E2/AS1 or, constructed with steel framing subject to specific engineering design, with the building height and floor plan area in accordance with scope limitations of NZBC Acceptable Solution E2/AS1; and,
• with absorbent wall claddings directly fixed to frame complying with NZBC Acceptable Solution E2/AS1 or covered by a valid BRANZ Appraisal that specifies a flexible wall underlay and a flexible flashing system; or,
• with absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity complying with NZBC Acceptable Solution E2/AS1 or covered by a valid BRANZ Appraisal that specifies a flexible wall underlay or a rigid wall underlay with flexible underlay over and flexible flashing system; or,
• with masonry veneer in accordance with NZBC Acceptable Solution E2/AS1 for timber framed buildings or specific design for steel framed buildings; and,
• situated in NZS 3604 Wind Zones up to and including 'Very High' where the flexible wall underlay is directly fixed to the frame, and up to and including 'Extra High' where the underlay is used over rigid wall underlays

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Very High WInd Zone

In the opinion of BRANZ, the Marshall Weatherization System if designed, used, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet, or contribute to meeting the following provisions of the NZBC:

• Clause B2 Durability: Performance B2.3.1 (a) not less than 50 years, B2.3.1 (b) 15 years and B2.3.2. The Marshall Weatherization System meets this requirement.
• Clause E2 External Moisture: Performance E2.3.2. The Marshall Weatherization System contributes to exterior walls meeting this requirement.
• Clause F2 Hazardous Building Materials: Performance F2.3.1. The Marshall Weatherization System meets this requirement and will not present a health hazard to people. This is an Appraisal of an Alternative Solution in terms of New Zealand Building Code compliance.

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Durability

External Moisture

Hazardous Building Materials

BRANZ Appraised

• Tekton Wall Underlay can be used in all wind zones up to and including Very High, and with RAB Systems, Extra High
• Tekton Wall Underlay is fire retardant with a zero flammability index and can be used without restriction on all buildings, however must be separated from fireplaces, heating appliances, flues and chimneys in accordance with the NZBC.
• Tekton Wall Underlay can be left exposed for up 60 days

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Extra High Wind Zone

Very High WInd Zone

• Clause B2 — Durability
• Clause E2 — External Moisture
• Clause F2 — Hazardous Building Materials

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BRANZ Appraised

• Suitable and appraised for use as a wall underlay on steel and timber framed buildings
• Suitable and appraised for use over rigid wall underlays on steel and timber framed buildings
• Appraised for use on buildings subject to specific weathertightness design

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NZBC Clauses:

• B2 Durability: B2.3.1 (a), not less than 50 years, B2.3.1 b), 15 years and B2.3.2
• E2 External Moisture: Performance E2.3.2. When used as part of the cladding system, HYDRA Wall Underlay will contribute to meeting this requirement
• F2 Hazardous Building Materials: F2.3.1. HYDRA Wall Underlay meets this requirement and will not present a hazard to people

See BRANZ Appraisal 1072 for full information

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BRANZ Appraised

HYDRA Roof Underlay has been appraised for use as a roof underlay on buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1 Para 1.1 with regards to building height and floor plan area; and
•  with masonry tile roof cladding; or,
•  with metal tile and profile metal roof cladding; and
•  situated within NZS3604 Wind Zones up to and including Extra High.

HYDRA Roof Underlay has also been approved for use on buildings subject to specific weathertightness design.  Building designers are responsible for building design and for the incorporation of HYDRA roof underlay into their design in accordance with the declared properties and the instructions of Marshall Innovations Ltd.

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Extra High Wind Zone

In the opinion of BRANZ, HYDRA Roof Underlay, if designed, used, installed and maintained in accordance with the statements and conditions of Appraisal 1071 [2019], will meet, or contribute to meeting the following provisions of the NZBC:

• Clause B2 DURABILITY: Performance B2.3.1 (a), not less than 50 years, B2.3.1 (b) 15 years and B2 .3.2 HYDRA Roof Underlay will contribute to meeting this requirement
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.2. When used as part of the roof cladding system, HYDRA Roof Underlay will contribute to meeting this requirement
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. HYDRA Roof Underlay meets this requirement and will not present a health hazard to people

See Appraisal for full information

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Durability

External Moisture

Hazardous Building Materials

SUPER-STICK has been appraised as a flexible flashing system for use around window and door joinery openings for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
• with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
• with wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or a valid BRANZ Appraisal that specifies a flexible flashing tape system; and,
• with wall underlays compatible with the flexible flashing tape; and, situated in NZS 3604 Wind Zones up to, and including, 'Extra High'.
• SUPER-STICK has also been appraised as a flexible flashing system for use around window and door joinery openings for steel framed buildings

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In the opinion of BRANZ, SUPER-STICK, if designed, used, installed and maintained in accordance with the statements and conditions of Appraisal No. 846 (2013), will meet or contribute to meeting the following provisions of the NZBC:

• Clause B2 Durability: Performance B2.3.1 (b), 15 years and B2.3.2. SUPER-STICK meets these requirements.
• Clause E2 External Moisture: Performance E2.3.2. SUPER-STICK contributes to meeting this requirement.
• Clause F2 Hazardous Building Materials: Performance F2.3.1. SUPER-STICK meets this requirement and will not present a health hazard to people. SUPER-STICK has been appraised as an Alternative Solution in terms of New Zealand Building Code compliance.

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Durability

External Moisture

Hazardous Building Materials

BRANZ Appraised

Protectowall has been appraised as a damp-proof membrane for use under floor slabs complying with NZS 3604 and as a damp-proof membrane behind concrete masonry basement walls and under floor slabs complying with NZS 4229.

ProtectoWall has also been appraised for use as a damp-proof membrane on buildings subject to specific design within the following scope:

• where the design of the building will  be the responsibility of the building designer; and,
• with clean, sound, continuous substrates of insitu or precast concrete complying with NZS 3101 and AS/NZS 1170 or concrete masonry complying with NZS 4230 and 4210; and,
• where the membrane is adequately protected against damage during backfilling and in service; and,
• where subsoil drainage and free draining granular backfill has been placed behind basement walls.

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• B2 DURABILITY; Performance B2.3.1. (a) not less than 50 years. ProtectoWall meets this requirement.
• E2 EXTERNAL MOISTURE; Performance E2.3.3. ProtectoWall meets this requirement.
• F2 HAZARDOUS BUILDING MATERIALS; Performance F2.3.1. ProtectoWall meets this requirement and will not present a health hazard to people.

ProtectoWall has been appraised as an Alternative Solution in terms of New Zealand Building Code Compliance.

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BRANZ Appraised