Description

Kronospan OSB Barrier is a 9 mm oriented strand board (OSB) panel product. Panels are available in the following sizes:

• 2400 x 1200mm
• 2700 x 1200 mm
• 2440 x 1220 mm
• 2740 x 1220 mm

It is available untreated or treated to hazard class H3.1 (LOSP). The treated version is identifiable by green edge colour and identifying stamp.

For use as a protected external wall bracing element and as a rigid air barrier in conjunction with a ventilated cavity.

Scope

1. Kronospan OSB Barrier is certified for use in timber framed buildings:

• a) designed in accordance with accordance with NZS3604:2011, or by specific design in accordance with Verification Method B1/VM1, and
• b) up to 10m in height, and
• c) located in wind zones up to and including EXTRA HIGH (as defined in NZS3604:2011) or up to a ULS wind design pressure of 2.6 kPa for buildings specifically designed in accordance with Verification
  Method B1/VM1, and
• d) located in all exposure zones (as defined in NZS3604:2011), and
• e) located in all seismic zones, and
• f) located greater than 1 m from a relevant boundary.

2. Kronospan OSB Barrier shall be installed in accordance with the GlobalBuild NZ OSB Barrier Design & Install Guide Version 1.5, July 2023

3. Where Kronospan OSB Barrier is installed on the external face of external wall framing the construction shall incorporate a flexible wall underlay and flashing tapes with a drained and ventilated cavity all complying with the requirements of E2/AS1.

4. The flexible underlay shall be installed within 14 days of the Kronospan OSB Barrier being installed.