DWM Roofing is a residential roofing contractor committed to the most professional, customer oriented roofing experience possible. We've been serving every zip code in Howard County for more than 18 years. This beautiful home can be found in 21044, Columbia, MD and had a roof replacement using Certain Landmark PRO, in Max Def Charcoal Black. Schedule your free estimate today by calling the office at 410-795-7600.