Description

Masons Barricade Weather Defense System consists of 6mm & 9mm Masons Barricade Weather Defense fibre cement sheets fixed to building framing with clouts or screws, then over wrapped with Masons Barricade WD self-adhesive wrap.

The sheets are available in sizes 1200mm wide and up to 3000mm in length. Masons Barricade WD self-adhesive wrap is a heavy-duty, trilaminate non-woven polypropylene wrap coated with polyacrylic pressure-sensitive self-adhesive and backing release film. It is supplied in 50m² rolls (1.46m x 31.14m).

Masons Barricade Weather Defense System is a rigid air barrier and bracing element for timber-framed buildings. It also provides temporary weather protection prior to the installation of cladding.

Scope

1. Masons Barricade Weather Defense System is certified for use with buildings:

• a) designed and constructed to:
  
  • i) NZS3604 and located in wind zones up to and including Extra High (as defined in NZS3604) or
  • ii) NZS3603 and AS/NZS 1170 with a maximum wind design pressure (ULS) of +/- 2.1 kPa, and
• b) with the following claddings:
  
  • i) absorbent or non-absorbent wall claddings directly fixed, or
  • ii) absorbent or non-absorbent wall claddings installed over a nominal 20mm or more drained cavity, or
  • iii) masonry veneer in accordance with NZBC Acceptable Solution E2/AS1, and
• c) located in any exposure zone except microclimates (as defined in NZS3604).

2. Masons Barricade Weather Defense System shall:

• a) be designed in accordance with the Masons Barricade Weather Defense System Design Guide V2.0 August 2022, and
• b) be installed in accordance with the Masons Barricade Weather Defense System Installation Guide V2.1 August 2022, and
• c) not be exposed to the weather or direct sunlight for more than 150 days during construction.

3. Contribution to compliance with Building Code clause H1.3.1(b) is conditional on the element incorporating Masons Barricade Weather Defense System being part of the thermal envelope of the building.