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Appraisal number: 615 (2017)

Date issued: 24 Aug 2017

Description

Fast Wrap is a synthetic building underlay for use as a flexible wall underlay under wall claddings on timber and steel-framed buildings. The product is manufactured from an ultraviolet (UV) light-resistant non-woven, spun-bonded polypropylene and is coloured beige.

Scope

Flexible wall underlay

Fast Wrap has been appraised for use as a flexible wall underlay for 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.
  • With direct-fixed absorbent and non-absorbent wall claddings.
  • With absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity.
  • With masonry veneer in accordance with NZBC Acceptable Solution E2/AS1 for timber-framed buildings or to a specific design for steel-framed buildings.
  • Situated in NZS 3604 wind zones up to and including very high.

Use over rigid wall underlay

Fast Wrap has been appraised for use as a flexible wall underlay over rigid wall underlays 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.
  • With absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity.
  • With masonry veneer in accordance with NZBC Acceptable Solution E2/AS1 for timber-framed buildings or to a specific design for steel-framed buildings.
  • Situated in NZS 3604 wind zones up to and including extra high.

Specific design

Fast Wrap has also been appraised for use on buildings subject to specific weathertightness design. Building designers are responsible for the building design and for the incorporation of Fast Wrap into their design in accordance with the declared properties and the instructions of Paul Industries.

Technical literature

Technical Information Sheet - Fastwrap Wall Underlay 31 October 2014, amended 20 April 2018

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder

Paul Industries
Address:
Phone: 0800 330 320
Email:

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