Metacaulk 1000, 20.2 .oz Sausage

Metacaulk 1000, Firestop Sealant Metacaulk 1000 is a single-component, water-based fire rated sealant designed for construction joints and through-penetrations. It provides an elastomeric seal that accommodates dynamic movement while preventing the spread of flames, smoke, hot gases, and water. Suitable for use in fire rated gypsum wallboard partitions, concrete and concrete block walls, and steel deck floor/ceiling assemblies, it serves as an effective firestop solution for electrical distributors, lighting solutions, wire and cable penetrations, and switchgear supplier applications. Specifications Manufacturer: RectorSeal Manufacturer Part #: 66312 Color: Red Cure Time: 3 to 4 weeks (at 77°F / 25°C) Density: ~11 lbs/gal (~1.32 kg/L) Elastomeric: Yes Freeze/Thaw Resistance: Excellent Skin Over Time: 30 minutes (at 77°F / 25°C) pH Value: 6.5 to 7 VOC: < 10 g/L Fire Ratings: 1, 2, 3, and 4 hours per ASTM E814 (UL1479), ASTM E1966 (UL 2079), CAN/ULC-S115 Sound Transmission Class (STC): 62 Packaging: 20.2 oz foil pack Application Temperature Range: 40°F to 120°F (4°C to 49°C) Application Method: Caulking gun or trowel UPC: 021449663120 Product Weight: 20.4 lbs Features Highly intumescent, expanding significantly at elevated temperatures to block fire and smoke Water-based, non-sag formula that is easy to apply and paintable Resistant to mold growth in both wet and dry states due to biocide protection Flexible elastomeric seal suitable for areas with dynamic movement or vibration Complies with VOC regulations and environmental exposure testing for durability Compatible with various penetrations including EMT conduit, power and communication cables, insulated pipes, and more Tested to resist fire and smoke spread while maintaining acoustic sealing properties Freeze-thaw stable for reliable performance in varying storage conditions Downloads & Links PDS - Spanish Spec Sheet SDS - French Safety Data Sheet SDS - Spanish Certified Clean Air Gold Certificate