Cork floating floor planks with built-in underlayment for commercial and residential use. 36" x 12" x 1/2" 36" x 7 1/4" x 1/2" Self-locking, sealed-edge planks install without glue. Prefinished with five coats of a commercial grade UV-cured, scratch resistant acrylic finish which contains no harmful ingredients, no VOCs, nor outgasses into indoor environments. Click for prices and shipping quotes Download complete technical specifications in pdf format Download installation instructions in pdf format Triplex plank consists of: Composite cork layer: 1/8", density 28 lb / ft3 Interlocking layer: 1/4" moisture resistant HDF, density 45 lb / ft3 Underlayment layer: 5/64 cork, density 13 lb / ft3 Comprehensive instructions; toll-free access to technical installation specialist. Acoustical: 8" concrete slab: STC:   58db.      IIC   68db      NC   30db Acoustical: 8" concrete slab with drop ceiling: STC:  60db      IIC   73db      NC    30db All CorkDirect flooring products are made of European cork goods processed and finished in the U.S. Questions, additional data or installation information: techinfo@corkdirect.com (800) 344-CORK (2675)