As stated in LEED v4.1: "Use at least 10 different permanently installed products from at least three different manufacturers…". HPL is a decorative surface which is bonded to a substrate to provide structural support before being fabricated or converted into a finished article by skilled fabricators. The final product will typically include the substrate, an adhesive and other components such as edge banding, drawer slides, door handles, or door cores, composite wood face sheets, etc. HPL does not qualify for this credit in the format produced by Wilsonart or other HPL manufacturers. A Health Prodcut Declaration (HPD) is one option for reporting material ingredients under this LEED v4.1 credit. For Manufacturers of finished articles an industry average Environmental Product Declaration (EPD) and or Health Product Declaration (HPD) is available for use in preparing an EPD of finished articles. Wilsonart supports numerous green certification initiatives by working directly with our building industry customers such as office furniture, architectural doors, wall panels, countertops, cabinets, etc.