No. According to the LEED glossary, these materials are considered remanufactured, and therefore do not qualify as reuse. Under the Related Credits section in the LEED Reference Guide, it states that “Remanufactured materials are not considered a reuse of the material and do not contribute toward this credit. However, these materials can contribute toward MR Credit 2: Construction Waste Management, or MR Credit 4: Recycled Content."