Description

Weathertex Cavity Fixed Weatherboard Cladding Systems are external wall cladding systems for residential and light commercial type buildings where domestic construction techniques are used.

The systems consist of horizontally fixed Weathertex Selflok and Primelok weatherboards, flashings and accessories fixed over a drained and vented cavity.

Scope

Timber Framing

Weathertex Cavity Fixed Weatherboard Cladding Systems have been appraised as external horizontally fixed wall claddings for timber framed buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 for timber framed buildings; 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’

Steel Framing

Weathertex Cavity Fixed Weatherboard Cladding Systems have also been appraised as external horizontally fixed wall claddings for steel framed buildings within the following scope:

• the scope limitations of NASH Building Envelope Solutions Paragraph 1.1 for steel framed buildings; and,
• with a risk score of 0-20, calculated in accordance with NASH Building Envelope Solutions; and,
• situated in NASH Standard Part 2 Wind Zones up to, and including ‘Extra High’

General

Weathertex Cavity Fixed Weatherboard Cladding Systems must only be installed horizontally on vertical flat surfaces.

Weathertex Cavity Fixed Weatherboard Cladding Systems are appraised for use with aluminium window and door joinery that is installed with vertical jambs and horizontal heads and sills. (Note: The Appraisal of Weathertex Cavity Fixed Weatherboard Cladding Systems relies on the joinery meeting the requirements of NZS 4211 for the relevant Wind Zone or design wind pressure.)