100% Cork Composition Roll and Sheets can be used for: Used as an underlayment for ceramic tiles, wooden floors, and laminate floors like Pergo. The 1/4" thick cork is also used for bulletin boards and to help reduce noise. For stress crack prevention of tile, it is recommended that you use the 1/8" thick cork underlayment rolls. For orders of more than one 20’FCL, please email us, lisa@corkzl.com, with the quantities to get a quote.