Products used in a building element that carry these labels are deemed to comply with BREEAM, i.e. 100% of the product (material) is responsibly sourced and 100% contributes toward meeting the BREEAM requirement that at least 80% of an element is responsible sourced.
Products carrying the FSC Mixed Sources label have to demonstrate to FSC that the proportion of FSC certified and recycled material used in their production is at least 70%.