Metacaulk 1200 White Spray, 5 .gal

Metacaulk 1200 White Spray, 5 gal Firestop Sealant Metacaulk 1200 is a single-component, water-based firestop mastic designed for sealing construction joints to prevent the spread of fire, smoke, hot gases, and water through openings. It cures to form a flexible elastomeric membrane suitable for dynamic movement areas. This product is applicable for both vertical and horizontal joints, providing an effective fire and smoke barrier in building construction. It is ideal for use by electrical distributors and lighting solutions providers requiring reliable firestopping sealants for wire and cable penetrations or switchgear installations. Specifications Product Weight: 55.0000 lbs Color: White Application: Spray, brush, or direct from container Base: Water-based Density: Approximately 10.5 lbs/gal pH: 7 to 8 Curing Time: 5 to 7 days (at 1/8" thickness, 77°F/25°C) Skin Over Time: 30-45 minutes (at 77°F/25°C) VOC Content: Less than 1% or 10 g/L Boiling Point: 212°F (100°C) Flash Point: None Specific Gravity: 1.1 Fire Rating: Classified up to 3 hours per UL 2079; tested per ASTM E1399 (500 cycles) and ASTM E814 (UL1479) up to 2 hours Coverage Volume (1/8" wet thickness): 1115 cubic inches per 5-gallon container Features Highly flexible, elastomeric sealant accommodating dynamic movement Prevents flame, smoke, hot gas, and water penetration through joints Water-based formula suitable for spray application enabling fast installation on long joints Paintable and mold-resistant with built-in biocides Meets VOC emission requirements for indoor air quality Does not require dilution or mixing before use Stable and non-flammable with no hazardous solvents or asbestos Non-toxic with no classified acute or chronic health hazards Minimum 2-year shelf life when stored between 35°F and 120°F Downloads & Links Safety Data Sheet PDS - Spanish Spec Sheet PDS - French SDS - French SDS - Spanish Certified Clean Air Gold Certificate