 And your roof is the first line of defense against Mother Nature. When damage occurs, Hahn Roofing will perform free inspections for residential and commercial customers and will give you a quote right on the spot. At Hahn Roofing, we provide only the best materials along with expert installation, reducing the risk of damage. Do you have storm damage? Who can you trust? Hahn Roofing, an Owens Corning Platinum Contractor.