Description

Dynex Cavity Closers are a range of uPVC cavity closers for cavity-based wall cladding systems.

Scope

Timber Framing

Dynex Cavity Closers have been appraised for use as cavity closers on timber-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; and,
• with cavity-based wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or with proprietary cavity-based wall cladding systems covered by a valid BRANZ Appraisal; and,
• situated in NZS 3604 Wind Zones up to, and including, Extra High, and specific design wind pressures up to and including 2.5 kPa ultimate limit state (ULS).

Steel Framing

Dynex Cavity Closers have been appraised for use as cavity closers on steel-framed buildings within the following scope:

• constructed with steel framing in accordance with the scope limitations of NASH Building Envelope Solutions, Paragraph 1.1; and,
• with cavity-based wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or with proprietary cavity-based wall cladding systems covered by a valid BRANZ Appraisal; and,
• situated in NASH Standard Part Two Wind Zones up to, and including, Extra High, and specific design wind pressures up to and including 2.5 kPa ultimate limit state (ULS).