![Web-Si-RSURAC](https://www.unisonjoints.com.au/wp-content/uploads/2018/01/Web-Si-RSURAC-1024x723.jpg)
Seismic Roof Expansion Joint Cover
Si R
Roof coverplate expansion joint system. Provides multi-directional seismic or other movement. Can be powder-coated to a range of colours. The system is a ridge-cap shaped aluminium coverplate system using cbar type coupling. It is not trafficable. Secondary water seal is included. Drainage spigots are available as an accessory item. The system can be supplied in a roof-wall version.
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-outdoor.png)
Outdoor
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-multi-directional.png)
Multi Directional
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-water-resistant.png)
Water Resistant
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-seismic.png)
Seismic
Illustrations
Typical Dimensions
Performance
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-multi-directional.png)
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-water-resistant.png)
Material Options
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-mill-finish-aluminium.png)
Detail Drawings
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-multi-directional.png)
Multi Directional
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-water-resistant.png)
Water Resistant
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-seismic.png)
Seismic
Performance
- Roof seismic joint
- Primary and secondary weather seal
- Thermal and seismic movement
Standard Finish
Mill Finish
Length
4.8m
Cover Plates
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-mill-finish-aluminium.png)
Mill Finish Aluminium
Cover Plate Options
![](https://www.unisonjoints.com.au/wp-content/plugins/custom_unison/images/niconc-powder-coated.png)
Powder Coated