Project Source 30-ft x 3.34-ft x 1-mm Standard Polypropylene Flooring Underlayment (100-sq ft /Roll) in the Flooring Underlayment department at Lowes.com
No Underlayment for Luxury Vinyl Planks over Concrete is this ok? : r/Flooring
Do You Need Additional Underlayment When Installing LVP? || Flooring How-To || Flooret - YouTube
Do You Need Underlay with Luxury Vinyl Flooring (LVT or LVP)? - Wood and Beyond Blog
Do You Need Additional Underlayment When Installing LVP? || Flooring How-To || Flooret - YouTube