NATIONAL GYPSUM'S PROFORM ACHIEVES IAQ CERTIFICATION
Charlotte-based drywall company National Gypsum has achieved GreenGuard Indoor Air Quality Certification for its ProForm joint compound line.
To achieve the certification, National Gypsum’s products passed sample testing and review of the manufacturing processes to meet standards set by the GreenGuard Environmental Institute to determine their impact on indoor air pollution.
To achieve the certification, National Gypsum’s products passed sample testing and review of the manufacturing processes to meet standards set by the GreenGuard Environmental Institute to determine their impact on indoor air pollution.
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