Project Source 1mm acoustical advanced underlayment is a closed cell foam underlayment that provides excellent sound reduction and moisture protection under floating luxury vinyl plank and tile. It is compatible with LVT, LVP, MLF flooring. Approved for use with all LVP flooring with and without attached underlayment sold at LOWE’S Acoustic advanced underlayment provides sound reduction Closed cell foam underlayment provides moisture protection Includes built in lip and tape for easy installation Limited lifetime warranty Covers 100 sq ft Floor score certified Made in the USA Type: Roll Coverage Area (Sq. Feet): 100 Length (Feet): 30 Square Footage Per Roll (Sq. Feet): 100 Thickness: 1 Thickness Unit of Measure: Millimeters Width (Feet): 3.34 Antimicrobial: Yes Construction Type: Polypropylene Cushioning: Yes Enhancements: Sound reduction, moisture protection and easy to install For Use Under Laminate With Pre-Attached Pad: No For Use Under Floating: Yes For Use Under Hardwood: No For Use Under Laminate: No For Use Under Luxury Vinyl: Yes For Use Under Luxury Vinyl With Pre-Attached Pad: Yes For Use Under Nail Down: No For Use Under Porcelain/Ceramic: No Grade: Standard IIC Rating: 66-70 Lowe's Exclusive: No Moisture Resistant: Yes Mold/Mildew Resistant: Yes Package Quantity: 1 R-Value per Inch: 4.0 Sound Absorbing: Yes STC Rating: More than STC-50 Vapor Barrier: Yes Warranty: Limited lifetime CA Residents: Prop 65 Warning(s): No UNSPSC: 30161700