Welcome to Master Seal!
Master Seal has specialized in home improvements since 1994. We supply and install high quality doors and windows that will not only beautify your home, but increase its energy efficiency as well. You can count on Master Seal for expert installation, exceptional pricing, and professional customer service. Our home improvement services are available to residents in the Baltimore and Washington metropolitan regions.
Steel entry doors are strong and durable, but with the variety of styles and colors available, can also provide a beautiful entry to your home.
Steel Security Storm Doors
Nothing is more important than your family's security. Steel security storm doors can help keep your family and home safe.
Aluminum Storm Doors
Energy efficient aluminum storm doors protect your entry doors by keeping the elements out and keeping comfort in.
Vinyl Replacement Windows
Investing in new windows could possibly be one of the best home improvement investments you ever make. Whether they're vinyl replacement windows, a garden window, bay and bow windows or glass block windows, the technology behind these replacement windows have improved so much in recent years. The overall energy efficiency of these window replacements will practically help pay for themselves with decreased heating and cooling bills.
Bay & Bow Windows
This three-dimensional window installation or window replacement creates dramatic new looks, adding style to the exterior of your home as they expand interior space, light and view. All of these Bay and Bow windows are exceptionally energy efficient, helping to lower your heating and cooling costs, increase the comfort of your home, and even improve its resale value.
Patio doors that stick, let in drafts, or don't slide properly can ruin your enjoyment of your patio. Master Seal can supply and install your new patio doors so you can enjoy the breezes of spring, summer or fall. We supply center hinged patio doors as well as sliding glass patio doors, from two of the best manufacturers of patio doors, ProVia Door and HMI Doors.
Installing window awnings can significantly reduce your summertime electric bill. Window and patio awnings block the radiant heat from the sun, keeping your house cooler.