DURA-SON 3.5 mm is a premium acoustic underlayment for laminate and engineered hardwood floors. This acoustical underlayment is ideal for condos, hotels, commercial spaces, and private residences. DURA-SON 3.5 mm laminate underlay offers very high acoustic performance. On a 6" concrete slab, the IIC is 74 with a suspended ceiling.

• Superior Impact Sound Reduction: Reduces noise and prevents its spread in the room as well as its transmission through walls and floors
• Superior Durability: Protects against wear and retains its structure and acoustical value over time
• Outperforms Traditional Foam Underlays: Dura-Son's rubber composition protects your floors from damage that would typically accelerate with a foam underlayment
• Ideal for Laminate and Engineered Hardwood Floors: Perfect support for high-quality flooring projects in both commercial and residential spaces
• Conceals minor imperfections of the subfloor
• Does not slip and does not collapse during installation
• Anti-Microbial: Resists mold, mildew, and fungus
• Certified for use on a radiant heat flooring system
• Environmentally Friendly: Made with 95% recycled rubber