Capitol Building Supply serves both commercial and residential customers and offers the largest inventory of construction supplies in Maryland, Virginia, and Washington D.C. All of our employees pride themselves on being hard working, safe, and professional. Whether you need drywall, insulation, acoustical tile or construction accessories, we
Johns Manville ComfortTherm R-13 Wall 106.56-sq ft Encapsulated
Johns Manville R- 13 Wall 163.39-sq ft Kraft Faced Fiberglass Batt
Knauf Insulation R-13 EcoBatt Kraft Faced Fiberglass Insulation
Johns Manville ComfortTherm R-13 Attic Wall Encapsulated
Johns Manville R- 21 Wall 67.81-sq ft Kraft Faced Fiberglass Batt
ComfortTherm Johns Manville
JOHNS MANVILLE INTL 90013166 Series R13 15 x32' Kraft Roll
Johns Manville ComfortTherm R-13 Attic Wall Encapsulated
ComfortTherm Johns Manville
Johns Manville R- 21 Wall 67.81-sq ft Kraft Faced Fiberglass Batt