Polystyrene Foam Underlay Thermal Insulation for Laminate Floating Floor Manufacturing - China High Quality EPE Flooring Underlay, Polyethylene Film Laminated Foam Liner | Made-in-China.com
FloorComfort 4-ft W x 25-ft L x 5 T Premium Foam Moisture Resistant Flooring Underlayment (100-sq ft / (Fan fold) in the Flooring Underlayment department at Lowes.com