Timothy Nickels, President and founder of Advance Moisture Protection, has been a dedicated Christian company for over 38 years! Advance Moisture Protection Inc is a fully licensed, insured and manufacturer certified roofing contracting business in White Marsh, MD. As a premier roofing contractor in Maryland, we specialize in every kind of roof for residential and commercial buildings. We have been awarded the Mule Hide 1906 Legendary Roofing Contractor, which is just one of the many awards we have received over the past 38 years