Mulco

Mulco Acoustik Soundproof Sealant

$16.00

30-day power tools · 14-day hand tools · Inspected by Hand · Ships from Calgary

The Mulco Acoustik Vapor Barrier and Soundproof Sealant is a professional-grade, synthetic rubber-based butyl compound engineered for high-performance acoustic isolation and vapor barrier continuity. This specialty sealant remains permanently tacky, flexible, and non-skinning, allowing it to effectively absorb acoustic vibrations and block airborne sound transmission through walls, ceilings, and floors. Formulated for concealed assemblies, it prevents air drafts and moisture infiltration by maintaining a continuous, airtight seal that accommodates structural movement without cracking or tearing. Brand: Mulco Model: 156650 Key Features and Technical Specifications Acoustic Dampening: Minimizes sound transmission and structural vibrations in multi-layer drywall assemblies. Permanently Flexible: Non-drying, non-skinning formula adapts to building settling and seasonal expansion. Vapor Barrier Continuity: Seals overlaps in polyethylene vapor barrier sheets and rigid insulation panels. Aggressive Adhesion: Bonds securely to wood, gypsum, steel, aluminum, concrete, and polyethylene. Substrate Safe: Non-corrosive composition will not damage or degrade polystyrene insulation boards. Cartridge Volume: 300 mL (10 oz) standard caulk cartridge. Color: Aluminum Gray / Black. Temperature Resistance: Service range spans from -30°C to 50°C (-22°F to 122°F). Application Environment: Intended for concealed joints; cannot be painted or left exposed to ambient air. Condition: Brand New Functionality: 10/10 Aesthetics: 10/10 Price of New (Rona): $18.79 (plus GST) Our Price (Cowboy Tools): $16 (GST Included)