Unistrut is a global leader in seismic bracing and we have supported the industry for decades. We have recently acquired an OPM pre-approval from OSHPD and you may find those pre-approved values and pages throughout this webpage. You may also find our older OPA products and approvals at the bottom.

This website is designed to be a simple, interactive tool to support your seismic bracing needs.

Why choose Unistrut seismic bracing?

1. Versatility:  Use for pipe, conduit, tube, cable tray ductwork and more
2. Ease-of-Use:  Simple and quick design process, reference the below links
3. Convenience:  National distribution and Unistrut products are commonly already on the job-site
4. Cost Savings:  Simple design process and superior products reduce costs in design, materials and installation

Pre-Approvals and Literature