Roofing by J.M.J is Knoxville's local Residential and Commercial Roofing Contractor. Owner and operator Scott Potter has served the Knoxville area since 1986, giving him the expertise and experience necessary to work on any improvement for your home. We would be pleased to help you make your home more beautiful and functional. Complete tear off and roof replacements, New Constructions, Partial replacements and\or roofing repairs, Emergency service/ cover-ups due to damage, Residential and Commercial Roofing- no job too big!