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New Construction. Retro Fit. Seismic Fire Water.

Si R

Previous Model No: SURAC

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.

Fire Rating Water Proof Seismic


Si R range coverplates are roof seismic expansion joint system. They offer multi-directional movement and will accommodate seismic movement. Colour options available for powder coating this expansion joint system to match roof colour. It is recommended to install them externally. Optional water seal and fire barrier can be installed with it.

Standard Finish




Cover Plates

Mill Finish Aluminium Clear Anodised Colour Anodised

Cover Plate Options

Powder Coat


Roof to Wall System


ISO9001:2015 Certified

The information is subject to change without notice and should not be construed as a commitment by Unison Joints Pty. Ltd. Unison Joints Pty. Ltd. assumes no responsibility for any errors that may appear in this document.