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661 Series Curb Mounted Centering Bar Exterior Expansion Joints

Look forward to easy installation with the 661 series system.

More information about this product

Features and benefits

  • Easy on site assembly

  • Multi-directional seismic movement

  • Moisture barrier included

  • Neoprene weather washers prevent leaking where fasteners penetrate frames/covers

  • Canted curb mount

  • Factory formed transitions available

  • Plate available in stainless steel

Product specification

  • Roof to Roof
  • Roof to Wall
  • Movement: +/- 50%
  • Joint width: 25mm-200mm
  • Vapor barrier included
  • Optional fire rated
  • Shear movement unlimited


Technical information