Metacaulk 1200, 30 .oz Cart White Caulk Grade

Metacaulk 1200 Firestop Sealant Metacaulk 1200 is a single-component, water-based firestop sealant designed for use in construction joints to prevent the spread of fire, smoke, hot gases, and water. Suitable for both vertical and horizontal joints, it cures to a flexible elastomeric membrane capable of withstanding dynamic movement. This product is ideal for electrical distributors and lighting solution providers requiring reliable firestopping materials for wire and cable penetrations and other construction joint applications. Specifications Product Weight: 34.0000 lbs Color: Red or White Application Methods: Spray, brush, or direct from cartridge Density: 10.5 lbs/gal Skin Over Time: 30-45 minutes at 77°F (25°C) Cure Time: 5 to 7 days at 77°F (25°C) for 1/8” thickness pH Value: 7 to 8 VOC Content: Less than 1% or <10 g/L (61.8 µg/m³ TVOC, CDPH 01350 v1.2 standard) Boiling Point: 212°F (100°C) at 760 mmHg Flash Point: None UL Classification: Tested up to 3 hours per UL 2079, ASTM E814 (UL 1479) up to 2 hours ASTM E84 / UL 723 Tunnel Test: Flame Spread Index 5, Smoke Developed Index 5 Coverage: Approximately 54 cubic inches per 30 oz cartridge at 1/8” depth Features Single-component, ready-to-use with no dilution or mixing required Water-based, environmentally compliant with low VOC emissions Flexible and elastomeric seal suitable for dynamic movement joints Effective barrier against fire, smoke, hot gases, and water Paintable finish Resistant to mold growth due to built-in biocides Can be applied with spray equipment, brush, caulking gun, or spatula Minimum 2-year shelf life when stored between 35°F and 120°F Non-flammable with stable chemical properties and no hazardous solvents Compatible for use in firestop systems for electrical wiring, cable, ductwork, and construction joints Downloads & Links Safety Data Sheet PDS - Spanish Spec Sheet PDS - French SDS - French SDS - Spanish Certified Clean Air Gold Certificate