Description

Monotek™ Sheet - Cavity Construction is a cavity-based, flush-finished, monolithic plastered/texture-coated wall cladding.  It is designed to be used as an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used. 

Monotek™ Sheet - Cavity Construction consists of Monotek™ Sheet, which is a fibre cement sheet product, fixed over timber battens to form the cavity.  The cladding is finished with a jointing and textured finish system.

Scope

Monotek™ Sheet - Cavity Construction has been appraised as an external wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
• constructed with timber framing complying with the NZBC; and,
• with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
• situated in NZS 3604 Wind Zones up to, and including Extra High'; and,

Monotek™ Sheet - Cavity Construction has also been appraised for weathertightness and structural wind loading when used as an external wall cladding for 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,
• constructed with timber framing complying with the NZBC; and,
• situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 2.5 kPa.

Monotek™ Sheet - Cavity Construction is appraised for use with jointing and textured finished systems that comply with NZBC Acceptable Solution E2/AS1, Paragraph 9.7.4 and are covered by a valid BRANZ Appraisal or CodeMark for use as a jointing and textured finish system.

Monotek™ Sheet - Cavity Construction must only be installed on flat vertical surfaces, (except for tops of balustrades, which must have a minimum 10° slope and be waterproofed in accordance with the Technical Literature).

Monotek™ Sheet - Cavity Construction is appraised for use with aluminium window and door joinery or uPVC with a valid BRANZ Appraisal. In all instances, joinery units must have vertical jambs and horizontal heads and sills. 

(Note: The Appraisal of Monotek™ Sheet - Cavity Construction relies on the joinery meeting the requirements of NZS 4211 for the relevant Wind Zone, or pressure.)

Installation of components and accessories supplied by the jointing and textured finish system manufacturers must be carried out only by the jointing and textured finish system manufacturer's approved applicators.

(Note: Monotek™ Sheet - Cavity Construction can be used to provide fire resistance rated construction, but these aspect has not been assessed and is outside the scope of this Appraisal.)