Aluminium
The IWLSM Seismic Series wall and ceiling corner expansion joint covers are designed for installation in wall and ceiling applications. The cover plate is designed to accommodate 13mm plasterboard. The series is designed to accommodate normal thermal movement of the day-to-day requirements of the structure while accommodating extreme multidirectional movement during seismic events. As standard, the system is supplied in mill finish aluminium.
Materials
Aluminium 6063-T5 mill finish alloy.
Spring steel treated centring bar with cylindrical pins at ~475mm centres.
Supplied in 3000mm lengths.
| TECHNICAL CHARACTERISTICS | Illustrated: IWLSM-100 | ||||
|---|---|---|---|---|---|
| Aluminium Code | A | B | C | Movement | Total Available Movement |
| IWLSM-100 | 100 | 166 | 30 | +66/-30mm | 96mm |
| IWLSM-150 | 150 | 241 | 55 | +91/-155mm | 244mm |
| IWLSM-200 | 200 | 316 | 80 | +116/-180mm | 296mm |
| IWLSM-250 | 250 | 391 | 105 | +141/-210mm | 351mm |
| IWLSM-300 | 300 | 466 | 130 | +166/-260mm | 426mm |
| IWLSM-400 | 400 | 616 | 180 | +216/-360mm | 576mm |
| IWLSM-500 | 500 | 766 | 230 | +266/-460mm | 726mm |
| IWLSM-600 | 600 | 916 | 280 | +316/-560mm | 5876mm |
| Product Code | Image 3 | |
|---|---|---|
| All dimensions in millimeters | ||
| IWLSM-100 to IWLSM-600 | Image{width=1457,height=650,url='https://www.latham-australia.com/hubfs/Mechanical%20Expansion%20Joint%20Covers/Seismic/1457x650-Tech%20Drawing-Seismic%20Series%20IWLSM-100%20to%20IWLSM-600.jpg',altText='1457x650-Tech Drawing-Seismic Series IWLSM-100 to IWLSM-600',fileId=392215592393} | |
Access essential resources and downloads. Ensure you have all the necessary information to select and install the best Latham product for your project.
Customers with special applications are invited to discuss them with us. Service factors must be taken into consideration when selecting tactile indicator studs or directional bars.
Use the form below to get in touch and one of our consultants will get back to you as soon as possible.

Modal body text goes here.
Submit the following to receive your content download.
14 Tennyson Road Gladesville 2111 NSW Australia
Phone: +61 2 9879 7888
Fax: +61 2 9879 7666
info@latham-australia.com
