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935 Firestop System Expansion Joint Systems

The 935 Firestop System meets "hose steam test" for masonry walls.

More information about this product

Features and benefits

  • Economical system for joint widths up to 75 mm
  • Mineral wool supplied in linear foot lengths and compressed into gap for easy installation
  • Up to 3 hour rated meeting UL2079
  • 4 hour available, contact JointMaster representative for more information
  • Meets “Hose System Test” for masonry and concrete walls
  • Concrete installations only

Product specification

  • Joint width: 25mm-75mm
  • Movement: +/- 50%

Technical information