GAF hits 300 mark with Green Roofer program - Home Channel News

GAF hits 300 mark with Green Roofer program Home Channel News GAF, one of North America's largest roofing manufacturers, now has more than 300 professional roofing contractors who have qualified as members of the Certified Green Roofer program. Launched in 2010 and developed with partners like the U.S. Green ...

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