The proportion of material (typically percentage by weight) in an end-use product that contains previously used materials. Recycle content can be further classified as "post-industrial" or "post-consumer." The former refers to re-use of by-product materials that are created during the manufacturing process, while the latter refers to waste materials that come from the consumer sector

SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.