Sealants & Adhesives Rockwool

Rockwool Acoustic Intumescent Sealant supplied in 310ml cartridges. High-performance, water-based acrylic sealant formulated for sealing linear joints and service penetrations within fire-rated wall a more→nd floor constructions. Designed specifically for use with Rockwool Ablative Coated Batt, the sealant reinstates fire resistance, acoustic integrity, and air tightness where building services or joints interrupt compartment lines. The intumescent formulation expands under fire conditions to close small gaps and restrict the passage of flames, smoke, and gases. Once cured, it forms a flexible, durable seal capable of accommodating building movement without cracking or loss of adhesion. Tested to

Rockwool High Expansion Intumescent Sealant supplied in 310ml cartridges. Water-based acrylic emulsion sealant containing graphite, designed to reinstate fire resistance and insulation performance in more→compartment walls and floors where they are penetrated by building services. The sealant expands under heat to seal voids left by combustible materials, preventing the passage of flames, smoke, and hot gases during fire conditions. Formulated for use with both combustible and non-combustible services, the sealant provides a reliable, high-expansion barrier for pipes, cables, and insulated metalwork. It reacts at approximately 135°C, rapidly increasing in volume to close openings and restore