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Polyair INSTALLATION
Commercial Roofs
Metal roof with min 900mm suspended ceiling - RT 4.36 (heat flow down)

Installation Method
- Install safety mesh over purlins.
- Dish the safety mesh to ensure a minimum 30mm sag is achieved between purlins.
- Polyair Multi is rolled out in the same line as the roof sheets.
- Overlaps to be a minimum 50mm if being taped, or 150mm if no tape is used.
- Polyair Multi is installed over purlins and safety mesh achieving a 30mm sag between purlins.
- The reflective copper anti glare coating of Polyair Multi faces up towards the sun, the silver side colour faces down.
- Place roof sheeting over Polyair and fix through roof sheeting and Polyair into purlins.
Polyair is safe to handle, no special protective clothing, gloves or mask is required for handling. It is the responsibility of the installers to observe and comply with any relevant occupational health and safety requirements and Australian Standards for the installation process.
Metal roof with min 100mm suspended ceiling - RT 3.26 (heat flow down)

Installation Method
- Install safety mesh over purlins.
- Dish the safety mesh to ensure a minimum 40mm sag is achieved between purlins.
- Polyair Multi is rolled out in the same line as the roof sheets.
- Overlaps to be a minimum 50mm if being taped, or 150mm if no tape is used.
- Polyair Multi is installed over purlins and safety mesh achieving a 40mm sag between purlins.
- The reflective copper anti glare coating of Polyair Multi faces up towards the sun, the silver side colour faces down.
- Place roof sheeting over Polyair and fix through roof sheeting and Polyair into purlins.
Polyair is safe to handle, no special protective clothing, gloves or mask is required for handling. It is the responsibility of the installers to observe and comply with any relevant occupational health and safety requirements and Australian Standards for the installation process.
Metal Roof with min 100mm raked ceiling - RT 3.26 (heat flow down)

Installation Method
- Install safety mesh over purlins.
- Dish the safety mesh to ensure a minimum 40mm sag is achieved between purlins.
- Polyair Multi is rolled out in the same line as the roof sheets.
- Overlaps to be a minimum 50mm if being taped, or 150mm if no tape is used.
- Polyair Multi is installed over purlins and safety mesh achieving a 40mm sag between purlins.
- The reflective copper anti glare coating of Polyair Multi faces up towards the sun, the silver side colour faces down.
- Place roof sheeting over Polyair and fix through roof sheeting and Polyair into purlins.
Polyair is safe to handle, no special protective clothing, gloves or mask is required for handling. It is the responsibility of the installers to observe and comply with any relevant occupational health and safety requirements and Australian Standards for the installation process.
Concrete roof with min 450mm suspended ceiling - RT 4.81 (heat flow down)

Installation Method
- Install furring channel to the underside of the concrete slab at a maximum spacing of 2400mm centres.
- Fix Polyair Super to furring channels achieving a minimum sag of 50mm between fixing points.
- Polyair overlaps to be a minimum 50mm if being taped or 150mm if no tape is used.
- Screws with large head facings, screw and washer combination, or a continuous angle fixed on top of the Polyair is recommended to secure the Polyair in place.
- Hanging rods are then installed directly through the Polyair and into the underside of the slab.
Polyair is safe to handle, no special protective clothing, gloves or mask is required for handling. It is the responsibility of the installers to observe and comply with any relevant occupational health and safety requirements and Australian Standards for the installation process.
Concrete roof with min 100mm suspended ceiling - RT 3.91 (heat flow down)

Installation Method
- Install furring channel to the underside of the concrete slab at a maximum spacing of 2400mm centres.
- Fix Polyair Super to furring channels achieving a minimum sag of 50mm between fixing points.
- Polyair overlaps to be a minimum 50mm if being taped or 150mm if no tape is used.
- Screws with large head facings, screw and washer combination, or a continuous angle fixed on top of the Polyair is recommended to secure the Polyair in place.
- Hanging rods are then installed directly through the Polyair and into the underside of the slab.
Polyair is safe to handle, no special protective clothing, gloves or mask is required for handling. It is the responsibility of the installers to observe and comply with any relevant occupational health and safety requirements and Australian Standards for the installation process.
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