CoreLuxe 4mm w/pad Brookwood Oak Waterproof Rigid Vinyl Plank Flooring 6 in. Wide X 36 in. Long | LL Flooring
Cork Underlay Roll 4mm 1m x 5m - 1m x 10m Laminate Floor, Wood Floor, Vinyl | eBay
Floor Transition Strip Self Adhesive, PVC Flooring Threshold Edging Trim Strip Suitable for Carpet Threshold Transition with a Height Less Than 3 mm 6.56 feet (White, 4MM) - Amazon.com
4mm veneer – Dekorman
Underlay
ASPEN FLOORING Take Home Sample - Walnut Sedona - Smooth - 4mm Sawn Face - Engineered Hardwood Flooring - 5 in. x 7 in. AS-646648 - The Home Depot
Cloud 9 Cush n Wood 4mm Laminate & Wood Underlay - 15.07m² Roll
Glanwell Engineered Natural Oak Lacquered 220mm x 15/4mm Wood Flooring