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Watergate Plus Wall Underlay

Abbreviation
Appraisal number 695
Amendment
26/02/2020
Valid from
21/09/2017

Information provider
´╗┐BRANZ Limited
Information type
BRANZ Appraisal
Format
PDF

Description

Watergate Plus is a fire retardant, flexible synthetic wall underlay for use under direct fixed and non-direct fixed wall cladding on timber and steel framed buildings. The product is manufactured from coated, non-woven polyolefin and is coloured white.

Scope

Flexible Wall Underlay

Watergate Plus has been appraised for use as a flexible wall underlay for buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 for timber framed buildings; and,
  • the scope limitations of NASH Building Envelope Solutions, Paragraph 1.1 for steel framed buildings; and,
  • with direct fixed absorbent and non-absorbent wall claddings; or,
  • with absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity; or,
  • with masonry veneer in accordance with NZBC Acceptable Solution E2/AS1 for timber framed buildings or to NASH Building Envelope Solutions for steel framed buildings; and,
  • situated in NZS 3604 Wind Zones up to and including Very High.

Use over Rigid Wall Underlay

Watergate Plus has been appraised for use as a flexible wall underlay over rigid wall underlays on buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 for timber framed buildings; and,
  • the scope limitations of NASH Building Envelope Solutions, Paragraph 1.1 for steel framed buildings; and,
  • with absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity; and,
  • with masonry veneer in accordance with NZBC Acceptable Solution E2/AS1 for timber framed buildings or NASH Building Envelope Solutions for steel framed buildings; and,
  • situated in NZS 3604 and NASH Standard Part 2 Wind Zones up to and including Extra High.

Specific Design

Watergate Plus 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 Watergate Plus into their design in accordance with the declared properties and the instructions of Thermakraft Limited.

For assistance with locating previous versions, please contact the information provider.
Notes/comments

This Appraisal replaces BRANZ Appraisal No. 695 (2010).

This Appraisal has been amended on 26/02/2020 to change the Appraisal name to Watergate-Plus, include roll size of 3.0 m x 30 m, update Table 1 and update NZBC referenced documents.

View on Information Provider website Download this resource (PDF, 425KB)
For assistance with locating previous versions, please contact the information provider.

This Appraisal replaces BRANZ Appraisal No. 695 (2010).

This Appraisal has been amended on 26/02/2020 to change the Appraisal name to Watergate-Plus, include roll size of 3.0 m x 30 m, update Table 1 and update NZBC referenced documents.

This resource is not cited by any other resources.

Watergate Plus Wall Underlay

This document is not CITED BY any other resources:

Watergate Plus Wall Underlay

Description

Watergate Plus is a fire retardant, flexible synthetic wall underlay for use under direct fixed and non-direct fixed wall cladding on timber and steel framed buildings. The product is manufactured from coated, non-woven polyolefin and is coloured white.

View on Information Provider website Download this resource (PDF, 425KB)
Watergate Plus Wall Underlay
Description

Watergate Plus is a fire retardant, flexible synthetic wall underlay for use under direct fixed and non-direct fixed wall cladding on timber and steel framed buildings. The product is manufactured from coated, non-woven polyolefin and is coloured white.

View on Information Provider website Download this resource (PDF, 425KB)
This resource does not cite any other resources.

Watergate Plus Wall Underlay

This resource does not CITE any other resources.
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