Hot-dip galvanized (HDG) steel is 100% recyclable and has a reclamation rate for zinc and steel of 80% and 100%, respectively. Based on such a high recycling rate, HDG steel may contribute one point/credit toward LEED® certification under both paragraph 4.1 and 4.2 of the Materials & Resources Credit 4: Recycled Content category.
Learn more by downloading the Hot-Dip Galvanizing (Zinc+Steel) takes LEED® with Recycled Content publication.
- Credit 4.1 (1 point) “Use materials with recycled content such that the sum of the post consumer recycled content plus one-half of the pre-consumer content constitutes at least 10% of the total value of the materials in the project.”
- Credit 4.2 (1 point) “Use materials with recycled content such that the sum of the post consumer recycled content plus one-half of the pre-consumer content constitutes at least an additional 10% beyond Credit 4.1 (total of at least 20%) of the total value of the materials in the project.”
