Aluminium
The FWSM Seismic Series expansion joint covers are designed for installation on flat concrete or metal roofs and they can also be installed on concrete or timber hobs. The series comes standard with a BFG water gutter. Cover plates are held down with domed headed screws which carry a gasket water seal. Splice plates can be supplied where cover plates are abutted, to ensure water tightness. As standard the material is supplied in mill finish aluminium. On request, Latham can have the material powder coated or anodised to a required colour.
Materials
Aluminium 6063-T5 mill finish alloy.
Spring steel treated centring bar with nylon spherical balls at ~475mm centres.
Supplied in 3050mm lengths.
Fixings
Side members factory drilled to accept 10mm fixings at ~475mm centres.
End Closures, Transition Splices, Corners and Tees should be considered for roof joints.
Contact a Latham representative for more information.
| TECHNICAL CHARACTERISTICS | Illustrated: FWSM-100 | ||||
|---|---|---|---|---|---|
| Aluminium Code | A | B | Movement | Total Available Movement | Overall Depth |
| FWSM-100 | 100 | 260 | +100/-92mm | 192mm | 36mm |
| FWSM-150 | 150 | 360 | +150/-142mm | 292mm | 36mm |
| FWSM-200 | 200 | 460 | +200/-192mm | 392mm | 36mm |
| FWSM-250 | 250 | 560 | +250/-242mm | 492mm | 36mm |
| FWSM-300 | 300 | 660 | +300/-292mm | 592mm | 36mm |
| FWSM-400 | 400 | 860 | +400/-392mm | 792mm | 36mm |
| FWSM-500 | 500 | 1060 | +500/-492mm | 992mm | 36mm |
| FWSM-600 | 600 | 1260 | +600/-592mm | 1192mm | 36mm |
| Product Code | Image 3 | |
|---|---|---|
| All dimensions in millimeters | ||
| FWSM-100 to FWSM-600 | Image{width=1457,height=650,url='https://www.latham-australia.com/hubfs/Mechanical%20Expansion%20Joint%20Covers/Seismic/1457x650-Tech%20Drawing-Seismic%20Series%20FWSM-100%20to%20FWSM-600.jpg',altText='1457x650-Tech Drawing-Seismic Series FWSM-100 to FWSM-600',fileId=392215559618} | |
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
