DURA-SON MB 3.5 mm is a premium vapor barrier underlayment for floating laminate and engineered wood floors. This moisture barrier underlayment is ideal for your floating installations in condos, hotels, commercial spaces, and private residences. DURA-SON MB 3.5 mm laminate underlay offers very high acoustic performance. On a 6" concrete slab, the IIC is 74 with a suspended ceiling.

• Moisture Barrier Protection: Built-in vapor barrier protects your floor from damage caused by moisture accumulation
• 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
• Mitigates Damage from Floods: In the event of major flooding, Dura-Son MB's robust vapor barrier helps protect the underlayment from water damage, reducing the need for replacement and lowers maintenance costs associated with post-flood repairs
• Outperforms Traditional Foam Underlays: Dura-Son MB's rubber composition protects your floors from damage that would typically accelerate with a foam underlayment
• Ideal for floating 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