Formerly known as Christopher B. Miller Company, CBM has been in business for over thirty years, serving Maryland, Delaware, Pennsylvania, Virginia and Washington, D.C. We specialize in waterproofing, expansion joints, air barrier, and joint sealants. We are certified by the Air Barrier Association of America.
Our industry reputation means everything to us. As a result, we always stand behind our work. Our policies ensure the quality performance you expect and the services you deserve.
