QuietWalk 100 sq. ft. 3 ft. x 33.3 ft. x 3 mm Underlayment with Sound and Moisture Barrier for Laminate and Engineered Floors QW100B1LT - The Home Depot
How to Carpet a Basement Floor (DIY) | Family Handyman
What is a Moisture Barrier and When is it Needed for Flooring? - Flooring Inc
How to Install the moisture barrier over concrete subfloor « Furniture & Woodworking :: WonderHowTo