66305, Fire Stop Sealant

66305, Fire Stop Sealant – Firestop Sealant for Electrical and Construction Applications The 66305 Fire Stop Sealant by RectorSeal is a red, intumescent, water-based firestop sealant designed to prevent the spread of fire through joint openings and through-penetrations. Suitable for use in fire-rated gypsum wallboard partitions, concrete walls or floors, wood floors, and concrete or corrugated steel deck floor/ceiling assemblies, this product is ideal for electrical distributors, lighting solutions providers, wire and cable installers, and switchgear suppliers requiring reliable firestopping materials. Specifications Manufacturer: RectorSeal Manufacturer Part #: 66305 Color: Red Product Weight: 46.84 lbs UL Classified systems rating: Up to 4 hours STC Rating: 62 Compliance: Meets ASTM E 814, UL 1479, and UL 2079 standards Features Highly intumescent for effective firestopping Water-based and VOC compliant Excellent freeze-thaw stability For interior use and paintable No dilution or mixing required Non-sag caulking grade, easy to apply and retrofit Can be used in areas under constant vibration and movement Recommended for metal, insulated, fiberglass, and plastic pipes, wall construction joints, power and telephone cables Downloads & Links Spec Sheet