Fischer rapid fire resistant sealant RFS 640 is a spray grade one part water based, fire rated sealant which has been design to provide smoke and fire protection on construction joints and service penetrations in both vertical and horizontal applications. Tested in accordance with ASTM E 814 (UL1479), ASTM E 1966 (UL 2079), ASTM E 2307, ASTM E 84 (UL723) the fischer RFS can provide up to 3 hours fire rating.
Applications
•Curtain wall/slab edge: 8″ (200 mm)
•Head of wall: 4″ (100 mm)
•General construction joints: 8″ (200 mm)
•Cable tray: 24″ x 4″ (600 mm x 100 mm)
•Steel pipes: 8″ (200 mm)