Advanced Security Safe and Lock provides comprehensive repair services for residential and commercial sliding glass doors in Maryland and DC. Our door technicians can inspect your glass door to find the root cause of the problem and provide available repair or replacement options. The technicians can very often repair the existing door saving you some money in comparison to door replacement.

We have been providing door repair services for well over 13 years in Maryland and Washington DC with a great reputation for quality work. Our technicians regularly work with some of the biggest businesses around because they understand the value of quality work done in a timely fashion. Whether your sliding door is stuck or the glass is broken, we can get it repaired quickly and with the right parts so the repair is long lasting.

If you are in need of sliding glass door repair or install, give us a call now to schedule a Free on-site or virtual estimate. You will be glad you contacted us for your door repair needs!!!


  • Provide more room for moving through: Shifting furniture or large packages is easier with a sliding door since they are usually wider than normal doors.
  • Allow more inlet of natural light: Large glass doors and windows tend to bring a flood of natural light inside the building. Not only does it allow you to turn on less lights during the day but also makes the space feel more inviting, fresh and alive. It can help you get greener.
  • Glass doors create illusion of space: Large glass doors and windows can make your small room look more spacious by adding depth much like mirrors. This is particularly helpful in homes and offices which are low on space.
  • Retain visibility along with safety: Sliding glass doors provide better insulation than normal glass doors which can help you keep the cold out. Also, You can keep an eye on what’s going on outside while being inside a safe space.
  • Aesthetic appeal: Apart from all the other benefits, glass sliding doors deviate from the usual look and feel of an ordinary door. Incorporating glass in homes and office spaces looks more neat and charming.

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