Masons UNI Flexible Air Barrier

Product Description

UNI® FAB is a nonwoven, absorbent, water-resistant, 180 GSM, synthetic wall underlay. It comprises three polypropylene layers: two outer layers of nonwoven polypropylene with a middle layer of a functional-technical film. It is manufactured to meet the European standard EN 13859-2:2014 as well as the absorbency performance requirement as per NZS 2295:2006.

Scope of use

Location

• In locations with a wind design pressure (ULS) of up to and including 4.6 kPa (which includes all NZS 3604:2011 wind zones).
• In seismic zones up to and including seismic zone 3.
• In all exposure zones.Further than 1 m from a relevant boundary. 

Building

• For commercial and residential construction.
• Designed for use with all cladding systems.
• Performs on timber and steel framed buildings.
• As a temporary cladding for up to 90 days.
• With buildings of all building heights, up to the permissible wind design pressure of 4.6 kPa.
• With cladding and joinery that complies with the relevant provisions of the NZ Building Code for the site and location.
• Suitable for use as a non-rigid backing for stucco plaster.
• UNI® is suitable as an air barrier on walls that are not lined.
• For vertical use only, not suitable as a roof underlay.
• UNI® must be covered with a suitable wall lining to any occupied spacings.

New Zealand Building Code (NZBC)

The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:

• Clause B1 Structure: Performance B1.3.1, B1.3.2, B1.3.3, B1.3.3(a), B1.3.3(e), B1.3.3(f), B1.3.3(h), B1.3.3(j), B1.3.3(m), B1.3.3(q), B1.3.4, B1.3.4(a), B1.3.4(b), B1.3.4(c), B1.3.4(d), B1.3.4(e)

  ~

• Clause B2 Durability: Performance B2.3.1, B2.3.1(a), B2.3.2(b)

  By testing and comparison with Acceptable Solution E2/AS1 and referenced standard NZS2295

• Clause C3 Fire affecting areas beyond the fire source: Performance C3.4(c)

  By testing and comparison with Acceptable Solutions C/AS1 and C/AS2

• Clause E2 External moisture: Performance E2.3.2, E2.3.5, E2.3.7(a), E2.3.7(b), E2.3.7(c)

  By testing and comparison with Acceptable Solution E2/AS1 and referenced standard NZS2295

• Clause F2 Hazardous building materials: Performance F2.3.1

  By comparison with requirements of performance requirements of Building Code clause F2.3.1

Notes

Evidence

The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:

Refer to CodeMark statement: https://assets.mpb.co.nz/files/uni/masons-uni-flexible-air-barrier.pdf

Supporting evidence

The product has and can make available the following additional evidence to support the above statements:

	CodeMark CM70116 Rev1
	the Building Business PASS Product Assurance Supplier Statement

Use in Service History

Masons has been in business for over 20 years. They have a team of reps to support customers with Masons Products. For more information please call 0800 522 533 or visit Masons website: mpb.co.nz

Product Criteria

Design requirements

Please use this link:

https://mpb.co.nz/wp-content/uploads/2021/11/21232%20Masons%20UNI%20Flexible%20Air%20Barrier%20Design%20and%20Install%20Guide%20V1.pdf

Installation requirements

Please use this link:

https://mpb.co.nz/wp-content/uploads/2021/11/21232%20Masons%20UNI%20Flexible%20Air%20Barrier%20Design%20and%20Install%20Guide%20V1.pdf

Maintenance requirements

Please use this link:

https://mpb.co.nz/wp-content/uploads/2021/11/21232%20Masons%20UNI%20Flexible%20Air%20Barrier%20Design%20and%20Install%20Guide%20V1.pdf

Warrantees

Please use this link:

Please use this link:https://mpb.co.nz/wp-content/uploads/2021/11/21232%20Masons%20UNI%20Flexible%20Air%20Barrier%20Design%20and%20Install%20Guide%20V1.pdf

Company Product Information

Videos