Everything we make for seismic protection.
Lead rubber bearings, sliding isolators, viscous wall dampers, low-mass and floor isolation. All of it is designed, manufactured, and tested by us in Reno, Nevada.
Base Isolators
Laminated rubber and steel bearings with steel flange plates. Ninety percent of our isolators feature an energy-dissipating lead core for high damping.
- Diameters from 12 to 60 inches
- Capacities up to 4,000 tons
- Tested routinely to 400% shear strain
Sliding Isolators
A PTFE (Teflon) disc sliding on stainless steel. Used alongside LRBs to tune the response of an isolation system and handle rotations.
- Sizes from 12 to 41 inches in diameter
- Elastomeric backing accommodates rotations
- Added damping from sliding friction
Viscous Wall Dampers
A steel tank, an inner vane and a high-viscosity fluid reduce inter-story drift by more than 50%. Compact, maintenance-free, and architecturally flexible.
- Reduces structural stress by >50%
- No seals, no pressure, maintenance-free
- Single- or double-vane configurations
Non-Structural Isolation
Protects equipment and content when isolating the whole building isn't practical. 2D systems handle horizontal accelerations using spring units, sliders and rollers. 3D systems add vertical isolation, X, Y and Z, for high-spectrum equipment.
- 2D: low-mass platforms, isolated floors, 0.5–50 tons
- 3D: vertical + horizontal isolation, IEEE 693 spectra
- Acceleration reduction up to 7× (2D) and 18× (3D)
Hardware & Steelwork
DIS processes over 2,000 tons of steel each year. Mounting plates, sole plates, anchor bolts and fasteners are designed and supplied alongside the bearings.
- Tapered sole and masonry plates
- Custom corrosion-resistant designs
- Stainless-steel marine assemblies
Got a project where downtime isn't an option?
Our engineers work alongside you from concept through installation. When we're brought in during the design phase, total project cost often drops by up to 30%.