UL Environment announces gypsum board standards at Greenbuild
Northbrook, Ill.-based Underwriters’ Laboratories Environment announced the publication of one its first green building product standards, ULE ISR 100, a standard for gypsum wall board and panels. USG was the first company to earn Gold level certification under ULE ISR 100 for its Sheetrock Ultra Light panels produced in its East Chicago, Ind., plant.