WARM ROOF SYSTEM

■ Insulated roof systems or warm roofs as they are more commonly known, are a very good option for flat roof designs and are able to be utilised for new roof and re-roof construction.

■ The inclusion of a dedicated vapour barrier in the overall design is essential for controlling moisture that can permeate from the substrate.

■ Insulated roof systems are able to be fully adhered with approved adhesives or mechanically fixed with appropriate type tube washers and fixings.

■ The CNZ insulated boards are produced in the standard size of 2400mm x 1200mm. The thickness of the CNZ insulation board will determine the correct R-Value that has been nominated for the project.

■ The inclusion of a high density coverboard placed over the CNZ insulation board is essential and must be included in the overall design of the insulated roof system.

■ The choice of an appropriate membrane type must be considered in the overall insulated roof system.

6.1 FULLY ADHERED METHOD

6.2 MECHANICALLY FIXED METHOD

■ Ensure the chosen substrate material has been installed to manufacture’s specification.

■ Install the vapour barrier directly to the chosen substrate to the manufacturer’s requirements.

■ Adhere the CNZ insulation boards to the fully adhered vapour barrier using a brick bond pattern.

■ Adhere the approved HD cover board at right angles to the adhered CNZ insulation board using a brick bond pattern.

■ Install the chosen membrane type to the manufacturer’s requirements to the fully adhered insulated roof system

components.

6.2 MECHANICALLY FIXED METHOD

■ Ensure the chosen substrate material has been installed to manufacture’s specification.

■ Install the vapour barrier directly to the chosen substrate to the manufacturer’s requirements.

■ Place the CNZ insulation board to the fully adhered vapour barrier using a brick bond pattern.

■ Place the approved cover board at right angles to the CNZ insulation board using a brick bond pattern.

■ Mechanically fix the cover board and CNZ insulation board through to the substrate using an approved tube washer and appropriately sized fixing.

■ The amount of required fixings will be determined by the specified wind zone requirement for the project.

■ Consult the manufacturer of the supplied fixings for the correct required amount of fixings and position in relation to the insulated roof system components.

■ Install the chosen membrane type to the manufacturer’s requirements to the fully adhered insulated roof system components.

WARM ROOF SYSTEM

6.1 FULLY ADHERED METHOD

6.2 MECHANICALLY FIXED METHOD

6.2 MECHANICALLY FIXED METHOD

6.2 MECHANICALLY FIXED METHOD

6.2 MECHANICALLY FIXED METHOD

6.2 MECHANICALLY FIXED METHOD

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