QuietWalk Underlayment 100 sq ft roll delivers sound absorption, moisture control, and added comfort under laminate and hardwood floors. Designed for use with floating floor installations in medium-sized rooms, this underlayment is approved for floors with a pre-attached pad, making it compatible with many flooring options. It reduces footstep noise and airborne sound while protecting from subfloor moisture. Its fiber construction adds thermal insulation and supports radiant heating systems like QuietWarmth. GREENGUARD Gold Certified and made in the USA from recycled content, this is a high-quality underlayment for any home improvement project.