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We do not have preferred building treatment suppliers and do not recommend any particular building treatment products. The following list is provided as a starting point to sourcing building treatment products.


Product description


Joinery Developments Ltd.(external link)

Trickle vents for new and existing glazing

Holyoak(external link)

Grilles and louvres


Raven Products Ltd(external link)

Door and window seals

Lorient Australia(external link)

Door and window seals

Partition systems 

GIB(external link)

Gypsum plasterboard, drywall systems and associated products


Metro Performance Glass(external link)

Glazing systems

Viridian glass(external link)

Glazing systems

Ventilation systems 

Securimax(external link)

Ventillation systems.

Condensation Control Ltd(external link)

Ventillation systems, grilles and louvres

Supreme Products Ltd(external link)

Ventillation systems, door and wall vents

Soundfield systems 

Oticon New Zealand Ltd(external link)

Easy Listener and FrontRow soudn field systems for classrooms

Phonak New Zealand Ltd(external link)

Specialist systems for users with hearing difficulties

Edwards(external link)

Classroom Soundfield Systems

Sitech Systems NZ(external link)

Classroom Soundfield Systems

For further information contact