Entry Door Replacement In the Baltimore & DC Areas


Master Seal steel entry doors are designed to the highest standards of energy efficiency, security, and sturdiness without sacrificing beauty. They are available in smooth or textured steel finishes. Made to enhance your entryway and satisfy the unique taste of each homeowner, we offer a variety of rich colors with a comprehensive collection of decorative glass.

We set the industry standard to custom, top of the line steel entry doors. Our entry doors can accommodate all homeowner needs and wants. We offer the most secure steel door on the market because our 19″ lock block has a 14 gauge steel reinforcement channel along with a 20-gauge steel door skin. This combination offers more protection than home center doors.

  • A 19″ Security Lock Block with 14 Gauge Reinforcement at the Knob and Dead bolt.
  • Over 30 Different Colors available, and 6 Stain Finishes.
  • Thick 20 Gauge Steel door panels available in Smooth and Textured Surface.
  • Pressurized High Density Polyurethane Insulating Foam.
  • Vinyl Thermal Break between steel door panels.

We offer 24 Hour Emergency Replacement of Doors.
Call 1-800-836-6764

An entry system is a reflection of you and your style. What Master Seal offers is the freedom to have a door just the way you want, perfectly complementing your personality. Each made-to-order door is a creation of it’s own.



/Steel Replacement Frame

The steel frame is constructed of heavy gauge galvanized steel with 10 gauge plates located on the lock and hinge sides for extra reinforcement to help keep intruders out. All replacement frames are finished with a powder coating.

  • 18 Gauge Frame
  • 10 Gauge Backing Plates on lock and hinge sides
  • Pre-finished in White Powder Coat or Primed

/Every Entry Door is Equipped with Weatherstripping

Weatherstripping creates an insulating seal between the door and the door frame to make your door even more energy efficient. An integral part of three sides of the door, the weatherstripping ensures that air leakage is blocked from inside and out, so you have greater comfort and lower energy bills.

/Master Seal Offers Interlocking Ball-Bearing Hinges

Years of durable operation and protection from intruders: these hinges lock into position with an interlock that prevents a potential intruder from sliding the door apart from its hinges.

/More Insulation: Master Seal’s Adjust & Lock Threshold

Aluminum conducts heat and cold. But Master Seal’s thermal break stops the transmission of heat and cold in it’s tracks. A strip of plastic polymer separates two pieces of aluminum threshold to provide a thermal break between them and to keep heat and cold from transferring between the inside and out.