Panel Source International, Inc. is a manufacturer and distributor of environmental forest products that are FSC certified, Urea-Formaldehyde free, and contain rapidly renewable or recycled fiber contents. Studio 804, Inc. utilized FSC-Pure Douglas Fir dimensional lumber , FSC-Pure ACQ treated dimensional lumber, PureKor ® FSC Certified Plywood Underlayment, and PureKor® FSC Certified CDX Plywood Sheathing in the construction of 3716 Springfield. Thank you Panel Source International for your contribution.