Finding roofer in SE Michigan who is experienced with rigid roof insulation

We live in metro Detroit, climate zone 5A, and have a 20 year old roof, original to house and we are original owners.In about 2008, we spray-foamed the roof deck… We live in metro Detroit, climate zone 5A, and have a 20 year old roof, original to house and we are original owners.In about 2008, we spray-foamed the roof deck…Read MoreGreenBuildingAdvisor