Preparation based on new substrate installations.
Preliminary Checks
Magnesium Board Substrates – please refer to the manufacturer’s installation instructions for the substrate.
The main contractor supplied and installed the vermin-proofing track as per the magnesium board manufacturer’s instructions, where a cavity wall system is being used. The vermin proofing track can be manufactured from uPVC, aluminium, or stainless steel and must be punched with 3-5 mm holes or slots complying with NZBC Acceptable Solution E2/AS1, Paragraph 9.1.8.3 to provide ventilation openings of 1000 mm2 per lineal metre.
Other flashings may be required as determined by the substrate supplier.
Builder Supplied Flashings
Make sure all builder-supplied flashings are in place. The architectural drawings provide a list of possible flashings.
RCS Flashing Installation
Refer to the flashings as outlined within the Resene Construction Systems Specification
Control/Expansion Joint Setouts
For more information about control joints refer to the technical note on the Resene Construction webpage at the following link https://reseneconstruction.co.nz/control-joints/
The main contractor/substrate installer is responsible for all control joints, which must comply with the substrate supplier’s specifications.
Colour selection
For more information about light reflectance values refer to the technical note on the Resene Construction webpage at the following link https://reseneconstruction.co.nz/light-reflectance-values/
