EnviroFlex 1 LB Mass Loaded Vinyl 4’x25’ (100 SF) – MLV Soundproofing Barrier for Walls, Ceilings, Vehicles – 26 STC Rating – Flexible Noise Blocker Roll – Easy to Cut & Install - Multiple Options

Features

• PROFESSIONAL-GRADE SOUNDPROOFING: Block unwanted noise with high-density 1LB per square foot mass loaded vinyl. Reduces airborne sound transmission across walls, ceilings, floors, and vehicle panels. Ideal for home, office, studio, or automotive use.
• HIGHEST STC RATING FOR MAXIMUM NOISE REDUCTION: Engineered for acoustic control, EnviroFlex MLV has a 26 STC (Sound Transmission Class) rating, blocking noise in walls, floors, and ceilings. Effective against voices, traffic, appliances, and more.
• EASY TO CUT, FLEXIBLE TO INSTALL: No special tools needed - cut with a utility knife and install using screws, adhesive, or nails. Flexible yet durable vinyl material bends around curves and corners without tearing. Easy for Pro's and DIYers.
• VERSATILE SOUNDPROOFING FOR ANY PROJECT: Perfect for soundproofing homes, bedrooms, apartments, offices, conference rooms, commercial spaces, machine shops, cars, vans, theaters, recording rooms, appliances, kitchens, boats, RVs, garages, and more.
• NON-TOXIC AND ODOR-FREE: Made from a proprietary blend of recycled vinyl materials that is non-toxic, odor-free, and built to last. Meets building code requirements and delivers long-term performance in both residential and commercial spaces.