Temple-Inland. All of the maker’s gypsum board has been third-party certified to meet the performance standard established for low-emitting materials. In addition to verifying compliance, materials from all Temple-Inland gypsum board manufacturing facilities were also tested and were determined to be free of sulfur off-gassing. As such, the materials are not considered to be problematic corrosive drywall types. 800.231.6060. www.templeinland.com.