Soundproof flooring systems work by absorbing vibrations and preventing sound waves from traveling through the floor structure. [cite: 1450]
Understanding Sound Ratings
- IIC (Impact Insulation Class): Measures footstep noise. Aim for 50+ for residential use; 65+ is excellent. [cite: 1468, 1470]
- STC (Sound Transmission Class): Measures airborne noise like voices or TV. [cite: 1472]
Best Materials and Installation
Cork is one of the best natural insulators. [cite: 1482] For the best soundproofing, use a floating installation, which helps decouple the flooring from the structure. [cite: 1518] Nailing is the worst method as fasteners create direct pathways for vibrations. [cite: 1521]