Tension Seal has been a Maryland licensed family owned & operated company since 1956. We service Baltimore and it's surrounding counties. We specialize in custom Energy Star products such as Windows, Doors, Siding, Roofing and Seamless gutters & Downspouts. We install all our jobs with NO SUB-CONTRACTORS..
Tension Seal offers all types of Energy Star rated Windows,Doors,Roofing & Siding.