70-025 Features: -Ideal for use over radiant heated floors.-Easy installation with plastic overlap and adhesive strip.-Dense, closed cell structure offers moisture, mold and mildew resistance.-Offers cushioning, along with reduction in sound transference.-2 Mil top sheet protects from harmful moisture vapor.-Adhesive strip and overlap make it easy to join rolls during installation.-Heat flow resistance R-value of 0.29.-Roll measuring: 48" x 300" and 375" x 48". Construction: -For use under laminate and engineered wood flooring. Specifications: -Coverage 1,500 sq. ft. and 100 sq. ft.. Dimensions: -Width: 6".-Length: 48".-Thickness: 6".-Product weight: 3 lbs.