Where To Buy Flooring UnderlaymentAll Stores Big Box Stores Click on the logos below to find store near you. We recommend calling the store for inventory levels. Home Depot Menards Lowes Canada LL Flooring MP Global Products 2500 Old Hadar RoadPO Box 2283Norfolk, Nebraska 68702-2283 (888) 379-9695 - Toll Free(402) 379-9737 - Fax[email protected]