The 674 bellows roof expansion joint system will remain watertight during even the most severe seismic events.

• Install Condition: Roof/Roof, Roof/Wall
• Movement: +/- 50
• Joint width: 50mm - 203mm
• Optional 2 rh (120 min) fire rated
• 25% shear movement
• Splicing kits of simple installation
• EPDM bellows with galvanized flanges standard
• Optional neoprene bellows available
• Optional stainless steel, copper, aluminum and EPDM flanges available
• Factory formed transitions available