Balco now offers the comprehensive line of Metacaulk® firestopping products (by RectorSeal) for the construction industry. From sealants and devices to sleeves and collars, there is a solution for every field condition. All Metacaulk® products have been designed for fire-rated for construction joints and through-penetrations for up to four hours, and have been tested to comply with building codes. Ensure your project meets code and prevents fire and smoke penetration with the most cost-effective firestop products on the market.