what is mass loaded vinyl | ASLONG Guide
Mass loaded vinyl (MLV) is a flexible, high-density material designed to block sound transmission. It is widely used in construction, automotive, and industrial applications for superior noise control. Below, we break down its key aspects for professionals in sound insulation.
Composition & Properties
- Made from vinyl combined with barium sulfate or calcium carbonate for added mass.
- Typically weighs 1–2 lbs per square foot, providing excellent sound-blocking performance.
- Flexible yet durable, allowing easy installation in tight spaces.
How Does MLV Work?
- Mass Law Principle: Higher mass = better sound blocking (reduces airborne noise).
- Damping Effect: Absorbs vibrations, minimizing structure-borne noise.
- STC Ratings: Can improve Sound Transmission Class (STC) by up to 27 dB when properly installed.
Key Benefits of MLV
✔ Thin & Space-Efficient – Unlike bulky materials, MLV provides high performance in minimal thickness.
✔ Fire-Resistant – Most MLV meets ASTM E84 Class A fire ratings.
✔ Moisture-Resistant – Ideal for humid environments like bathrooms or basements.
✔ Easy to Install – Can be cut, stapled, or glued to walls, floors, and ceilings.
Common Applications
- Residential: Soundproofing walls, floors, and ceilings in apartments and homes.
- Commercial: Offices, recording studios, and theaters for noise control.
- Automotive: Reduces road and engine noise in vehicles.
- Industrial: Machinery enclosures and HVAC noise barriers.
Installation Best Practices
- Seal Gaps: Use acoustic sealant to prevent flanking noise.
- Layer with Other Materials: Combine with fiberglass or foam for enhanced performance.
- Avoid Overlapping: Install in single, continuous sheets for maximum efficiency.
Final Thoughts
Mass loaded vinyl is a versatile, high-performance soundproofing solution trusted by professionals. Its density, flexibility, and durability make it ideal for diverse noise control applications.
For expert-grade MLV solutions, explore ASLONG’s High Quality sound insulation materials.
*(Sources: National Institute of Building Sciences, ASTM International, Acoustical Society of America)*
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ASLONG's products are suitable for multiple industries, including air conditioning and HVAC, construction and waterproofing, automobiles and transportation, home appliances and electronics, industrial equipment and machinery, etc. We provide customized solutions for each industry to meet different needs.
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Our products cover functions such as insulation, sound insulation, shock absorption, waterproofing and sealing, and are widely used in improving energy efficiency, reducing noise, controlling vibration, protecting equipment, etc., helping customers optimize engineering effects and improve user experience.
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Yes, all ASLONG products comply with ISO14001 environmental management system certification and global environmental protection standards. We use environmentally friendly materials and are committed to providing sustainable solutions to help customers achieve green development goals.
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