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LEVELROCK® 3500™ Floor Underlayment
A great alternative to concrete floors in light commercial and renovation applications.
LEVELROCK® brand 3500™ floor underlayment provides superior performance for higher-traffic areas in both wood-frame and light-commercial construction. This underlayment also provides exceptional sound resistance and may be used with a Levelrock™ brand sound mat or sound board for improved STC and IIC ratings.
- - Installs over wood and concrete subfloors
- - Meets vinyl-industry commercial specifications
- - Applies at thickness of just 3/4-in. to 3-in.
- - Compressive strength: 3,500-4,500 psi


