SoundStep XL Premium Foam Underlayment

Upgrade your flooring with SoundStep XL, a durable, cost-effective underlayment designed for laminate, engineered wood, and solid wood floors. Made with crosslink foam, it reduces noise, adds comfort, and supports floating or glue-down installations. The attached vapor barrier protects against moisture on concrete or wood subfloors. With an R-value of 0.24 and QuietWarmth radiant heat compatibility, your floors stay warm in winter, cool in summer, and perform for years.

Available in 100 & 600 sq ft sizes