Under the arrangement, GAF will offer benefits to Angie's List service providers who buy GAF products and install them at the homes of Angie's List members. Members also will be able to buy pre-packaged offers of GAF roofing products and installation from Angie's List's online marketplace. A GAF spokesman said Angie's List is a "trusted source" for roofing contractors to connect with more than 3 million households looking for service providers. GAF will be the only roofing products offered. Angie's List includes service providers in 720 categories,  ranging from health care to home improvement.

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