100 sq ft roll, 25'x4'x3/32 Premium 2-in-1 Underlayment
Roberts Unison 2-In-1 Underlayment For Laminate And Engineered Wood Flooring Is Designed With A 3/32 Inch Polyethylene Foam For Cushioning And A 2 Mil Thick Top Film To Protect From Harmful Moisture Vapor This Product Is Designed To Use For Wood Subfloors But Can Also Be Used With Concrete Slabs With Recommended Moisturebarricade (Item# 70-115, Sold Separately) For Use Under Laminate And Engineered Wood Flooring And Ideal To Use Over Radiant Heated Floors Has A Heat Flow Resistance R-Value Of 0.29 Unison's Foam Construction Also Reduces Everyday Surface Noise, Offers Cushioning And Levels Minor Subfloor Imperfections The Adhesive Strip And 4 In Overlap Make It Easy To Join Rolls During Installation 100 Sq Ft Coverage With Roll Measuring 25 Ft X 4 Ft X 3/32 In.