. The mm thick foam layer provides optimal cushioning and sound absorption. Coverage: square feet, with roll measuring 43" x 28'. x 43 in. UU. Black Jack is engineered as a superior grade, 2-in-1 underlayment with a mm thick foam layer that provides optimal cushioning and sound absorption, as well. Easy installation with plastic overlap and adhesive strip; mm thickness. sq. coverage with rolls measuring 28 ft. Discover the superior performance of ROBERTS XL Black Jack Underlayment. ft. x mm; For use under laminate and engineered wood flooring; Dense, closed cell structure offers. ROBERTS Black Jack Underlayment - pies cuadrados. ROBERTS. ROBERTS Black Jack Underlayment - pies cuadrados. Tienda de EE. Ideal for laminate and engineered wood, it works over many types of subflooring. [HOST]: ROBERTS Black Jack Underlayment - Rollo de pies cuadrados - 43" x ' x in: Herramientas y Mejoras del Hogar. rolls. Black Jack Underlayment is ideal for laminate and engineered wood over many types of subflooring. Sound Ratings: IIC 70;. ROBERTS. Black Jack is engineered as a superior. El tensor BK tiene la misma XL Rollo de m2 - m x 51 m (2/caja) Black Jack Floating Floor Underlayment® y Unison®. Designed for laminate and engineered wood floors. Rollo - 43" x 28'. ROBERTS. ft.