Pallet bundle: 50 panels. Each panel is 4 ft. x 6 ft. for a total of 1200 sq. ft.FloorLyft Ultra is our most versatile rigid underlayment choice, allowing firm support for all types of flooring with great acoustic benefits. This product is built with sound reduction, insulation, and moisture management in mind. At 6 mm thick, FloorLyft Ultra will make your home more comfortable by increasing the efficiency of your heating and cooling system and decreasing the ambient noise. FloorLyft Ultra will boost thinner floors, reducing baseboard gaps and eliminating tripping hazards at transitions. The unique DriWick technology relies on a blend of anti-microbial fibers that will wick away subfloor moisture, while the attached 6-mil vapor barrier is specially designed to protect your flooring from water damage and your subfloor from topical spills and accidents. It is specially designed to offer a superior bond with adhesives, making it the preferred choice for glue-down installation. Synthetic fiber underlayments are fast becoming the most specified product for floating wood and laminate floors by architects and designers, due to their acoustical and moisture protection qualities. This underlayment will support and maintain the functionality of your flooring for a lifetime. FloorLyft Ultra underlayment can also be used with radiant heat systems such as QuietWarmth, for an extra warm and cozy floor. Made of Recycled Synthetic Fibers.