Success Stories

Numerous vehicles  take advantage of the attributes of aluminum extrusions to produce lightweight and long-lasting, safety-enhancing, aluminum rockers, which are also referred to as sills. Select the vehicle below to learn more.

2022 GMC Hummer EV

Steel bracket is attached with rivets. Between steel and aluminum is a polymer adhesive to prevent galvanic corrosion.

2015 Ford F-150

Metrics to Success in Body and Chassis Extrusions:

  • Tight Tolerances
  • Controlled aluminum alloy grain structure
  • Straightness (Profile Tolerances)
  • Stringent mechanical property requirements
  • Versatile to various assembly techniques


One-piece rocker panel reinforcement

  • Multi-hollow
  • Structural extrusion
  • Efficient product performance

Tesla Models S, X & 3

Rocker Structure

Weight efficiencies for crash management within a steel structure

2022 Porsche Taycan EV

Rocker Structure

Extruded aluminum rocker protects battery pack and passenger compartment

Hyundai Ioniq 5, Audi Q4 e-tron & BMW i7 xDrive 60

Extrusion benefits: 

  • Passenger and battery protection
  • Tight tolerances
  • Multi-hollow extrusion
  • Long length, straight

2022 Tesla Model S Plaid

Extrusions Deliver Significant Value

  • 6-hollow design
  • Attached to front casting and outside, A-surface sheet metal
  • Rocker Side Impact Protection


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