Patio Doors from Master Seal – Transform Your Space

Master Seal can help you transform your patio space into the flexible space you enjoy more in Baltimore MD, Washington DC and anywhere in Prince George’s County MD! Patio doors are unique in that they become a focal point in the room. We have the options that help you to make the most out of the focal point. Center hinged patio doors, sliding patio doors, steel patio doors, swinging patio doors, vinyl patio doors are some of the styles that we offer. Each style comes with features that you can choose to not only make your doors more functional but to also enhance your space.

Privacy and Other Matters

Depending on which room your patio doors are located, privacy may be a concern. We have solutions for privacy issues that will improve the comfort level of your space.  We have a wide range of door solutions that will make your doors more functional and improve the use of the space.  We are the door experts nearby that focus on your needs.

Screens, Blinds and More

We offer options that just make sense and can allow you to bring the outdoors inside comfortably like:

  • Sliding screens
  • Built in controllable mini blinds
  • Insulated patio doors

We can provide you with the perfect door for your space. Our sliding screen doors allow you to leave your patio doors open and let the fresh air in. Managing the light and keeping your space private is easy when you have easy to control mini blinds built into the doors. Insulated patio doors will provide you with the energy efficiency that you want for your home. Contact us for a free estimate and to talk about which doors are going to transform your space and make your patio more usable!

Sliding Patio Doors

Sliding glass patio doors can provide security as well as beauty.
Master Seal supplies and installs sliding glass doors from ProVia Door.

Sliding Patio Door Options

Inspirations Art Glass is available in entry doors, storm doors, patio doors, and vinyl windows. Ask for our Inspirations Art glass brochure to see all our designs, color palettes, and style availability or customize your design with our interactive visualization program ProVia Studio™.

Available Options

  • ComforTech™TLA AND TLK triple-glazed glass.
  • Tinted glass in bronze, gray or green.
  • Azurlite® glass
  • Painted aluminum internal grid in flat or contoured
  • Woodgrain contoured internal grid.
  • Traditional beveled glass.
  • Single Prairie beveled glass.
  • Keylock available for all hardware.
  • Internal blinds.
  • Available in 2, 3, or 4-panel configurations and standard and custom sizes.

8000 Series Features

  • ComforTech™ TLK triple glazed warm edge glazing system with high performance Low-E Krypton glass
  • Woodgrain interior
  • Secondary ventilation lock
  • Multi-point locking Bright Brass or Satin Nickel handleset with keylock

7000 Series Features

  • ComforTech™ DLA warm edge glazing system with high performance Low-E Argon glass
  • Secondary ventilation lock
  • Multi-point locking color matched handleset on white or beige patio doors

All 8000 and 7000 Series Prestige Patio Doors with options as shown are Energy Star Qualified

Internal Blinds

Internal Blinds provide exceptional privacy and light control, however, Prestige Patio Doors with Internal Blinds are not Energy Star qualified.

  • Ultra-Privacy edge channel design keeps out light and prying eyes
  • Blinds tilt, raise, and lower using the convenient fingertip adjustment slides
  • Easy to clean; no more dusting of blinds
  • 10-Year Warranty
  • Available as upgrade to 7000 series
  • Available in standard sizes only
  • Available in white blinds only
  • Available in 1, 2, 3, and 4 lite models (n/a in 50″ x 80″ or 96″ x 80″ sizes)


Available in 2, 3, or 4-panel configurations and standard and custom sizes