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491 Series Surface Mount Centring Bar Expansion Joint Systems

The 491 series system is adaptable to many wall finishes including drywall and tile.  

More information about this product

Features and benefits

  • Adaptable to many wall finishes including drywall and tile

  • Clear anodised finish standard

  • Designed for renovation and surface mount installations

  • Centring bar for correct positioning on plate and allows multi-directional seismic movement

  • Extra wide joint widths available

  • +/-100% movement available on select models

Product specification

  • Wall/Wall, Wall/Corner Conditions
  • Movement: +/- 50%, +/- 100%
  • Joint width: 50mm-200mm
  • Optional vapour barrier
  • Optional fire rated
  • Sheer movement unlimited


Technical information