fischer FFB-ES PLUS Fire-resistant varnish

fischer FFB-ES Plus is a one part water-based acrylic spray which has been designed to provide smoke and fire protection on horizontal construction joints, vertical penetrations and perimeter joints.‎ Tested in accordance with EN 1366-3, EN 1366-4, EN 1364-4, ASTM E1966 (UL 2079) the FFB-ES Plus is certified by ETA, UL-EU and UL-US.‎ It has excellent movement capabilities and applied together with stone wool backing it provides up to 4 hours fire rating.‎ Further info from manufacturer on FFB-ES PLUS fischer