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Watergate Plus Wall Underlay Breathes New Life into Old Brewery Site

The project is phase one of the University's redevelopment of the Newmarket site previously owned by Lion Breweries.  The 5.2 hectare site is a mix of new spaces and warehouse conversions.  Four existing warehouse structures were stripped back and fully reclad with vertical metal panels, drained cavities created and a moisture control/air barrier was installed.

The Challenge

To find a building membrane that provided a breathable air and moisture barrier, met the fire rating criteria of the NZBC, was compatible with the specified metal cladding and could be reliably supplied in large quantities with short lead times.

The Thermakraft Solution

Thermakraft's Watergate Plus wall underlay fulfilled the project requirements.

Watergate Plus is a synthetic, breathable wall underlay that acts as an air barrier and moisture control solution on timber and steel framed buildings.  It is a dual-layer system comprising an intelligent plastic film on one side and a non-woven synthetic absorbent layer on the reverse that traps any moisture or condensation entering through the exterior cladding.  

Watergate Plus is fire retardant, meeting the NZBC spread of flame index of 5 or less and BRANZ appraised as an Alternative Solution.   

Product Support

As well as supplying a product with all the attributes required for the project, Thermakraft assisted on site with detailing and quality assurance, and could also provide a customised solution for a section of the project.  

The original design called for a shell-only space in a portion of the development meaning the wall underlay in this area would be left exposed.  For this area a large volume of product without the standard visible printing was needed – Thermakraft had the capability to manufacture a special run using low intensity ink which would have provided the necessary clean white aesthetic.

Watergate Plus is suitable for use in any new wall application using cavity battens or direct fixed behind non absorbent materials. 

Project:  Phase one of the University of Auckland Newmarket Campus

Client:  The University of Auckland

Main Contractor:  Hawkins Construction

Project Architect:  Jasmax

View more information on Thermakraft, including contact details.
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July 2014 EBOSSNOW Case Studies

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