Description

Watergate Plus is a fire-retardant, flexible synthetic wall underlay for use under direct-fixed and non-direct fixed wall claddings on timber and steel-framed lined buildings. The product is manufactured from coated, non-woven polyolefin and is coloured white with the Watergate Plus logo repeated along the length of the roll. 

Watergate Plus is a wall underlay for use behind exterior wall claddings. Made from synthetic materials, Watergate Plus is fire-retardant, water-resistant and vapour permeable.

Scope

FLEXIBLE WALL UNDERLAY

Watergate Plus is suitable for use as a flexible wall underlay for lined buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 for timber-framed buildings; or,
• 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 is suitable 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; or,
• 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 (limited to NZS 3604 and NASH Standard Part 2 Wind Zones up to, and
  including, Very High); 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.

HANDLING AND STORAGE

Handling and storage of the product, whether on-site or off-site, is under the control of the installer.

The rolls must be protected from damage and weather. They must be stored on end, under cover, in clean, dry conditions and must not be crushed.

INSTALLATION SKILL LEVEL REQUIREMENT

All design and building work must be carried out in accordance with the Watergate Plus Wall Underlay Reference Documents and this Product Certificate by competent and experienced tradespeople conversant with wall underlays.

Where the work involves Restricted Building Work (RBW) this must be completed by, or under the supervision of, a Licensed Building Practitioner (LBP) with the relevant Licence Class.