Bolt-In Seismic System (BIS)

BIS is a low-profile traffic-bearing expansion joint for parking structures with shallow concrete decks and wide structural joint openings with the ability to accommodate heavy loads and multi-directional seismic movement.

product features

  • Low-profile bolt-in design engineered for shallow concrete blockouts (pockets).
  • For joint openings with multi-directional seismic movement of +/-50% through +/-100%.
  • Seismic centering device with dynamic load impact dampers.
  • Rubber impact/sound dampers provide a non-clanging quite ride advantage.
  • Aluminum slide plate covers supplied with slip-resistant raised pattern profile.
  • Complies with ADA guidelines and safe walking surface standards.
  • Fabric reinforced rubber gutter provides secondary waterproofing capability

Building Types

Load Ratings

  • AASHTO HS20 (low speed)
  • Auto (low speed)
  • Safe Walking Surface