Leaky Windows

Basement Window Leak Repair in Virginia, District of Columbia, and Maryland

Water pouring out from a basement window in Ashburn

Water will find its way into your basement in any way it can. Even if you seal off your concrete walls and install a perimeter drain, leaks can still occur through a variety of possible ways.

One of the most common ways that water floods into a below-grade space is through your basement windows. The experts at NV Waterproofing & Foundation Repair can help prevent these issues in your home. Call us today for a free estimate on leaky window repair services in Greater Washington D.C.!

Why do windows leak?

Repaired waterproofed basement window leak in Ashburn

Before and After. Prevent future leaks with our basement window sealing system.

Basement windows are most often made using inexpensive steel or wood frames. As these materials age, they will begin to break down, showing signs of rust, corrosion, and decay.

As the frames break down, the window panes begin to hang more loosely, and the frame itself begins to hang loosely in its opening in your basement wall.

Along with becoming a leaking issue, these windows will also become drafty. As your home loses conditioned air, your energy costs will rise.

Fortunately, basement window leaks can be fixed quickly, easily, and permanently by draining any leaking water into your perimeter drainage system.

Steps to install the WellDuct® System

We fix leaking basement windows with the WellDuct® Basement Window System to redirect flooding to a perimeter drain or drywell. During installation, our technicians follow these four simple steps:

  1. Install a perimeter drain or drywell: At NV Waterproofing & Foundation Repair, we recommend that water from your WellDuct® is directed into a French drain system. Otherwise, a small drywell can be created beneath the leaking window. If your problem is a leaking crack beneath your window, no hole will need to be created.
  2. Create a drainage channel: The installer will create a small hole in the wall -- just underneath the window. If you have block walls, a PVC pipe will be installed in this hole and a grated opening will be installed on the outside of the pipe to help prevent clogs. A polymer will be injected around the outer edge of the pipe to help keep it sealed and in place.
  3. Direct water into your perimeter drainage system: A gray plastic fitting will be placed on your inside basement wall, directing water down into your perimeter drain or drywell. The top of the drain will be sealed off with a polymer injection. Plastic pegs mechanically attach the plastic fitting to your walls.
  4. Seal the drain: The edges of the plastic fitting will be sealed to your wall with a polymer injection. Once the workplace is carefully cleaned, your installation is complete!
Flood Alert!

Old basement window frames easily rust and rot. Combine them with corroded, debris-filled metal window wells, and you have a real eyesore!

To make matters worse, these window wells leak when filled with snow and rain during wet seasons, which can then make its way into your home.

Replace your windows and install new covered window wells for a drier, happier home.

Basement window maintenance

Like most things in your home, your basement windows do better with a little maintenance. While your window will still probably leak at some point in the future without a WellDuct®, here are a few things you can do to help keep water to a minimum:

  • Routinely clean out dirt, leaves, and other debris from your window wells.
  • Keep your gutters clean so runoff water does not pool around your windows.
  • Grade the soil around your home so it is sloped away from your windows -- and the rest of your foundation.

It's also worth noting that keeping a window well free of dirt, leaves, and similar debris is a good way to help prevent pest infestations. Ants, termites, and more will often build their nests in debris near a home and expand from there into your home.

Call or e-mail us today for a free waterproofing quote in Arlington, Washington D.C., Alexandria, Bethesda, Ashburn, Gaithersburg, Fairfax, Gainesville, Silver Spring, Sterling, and the nearby areas in Virginia, District of Columbia, and Maryland!

Looking for a price? Get a no cost, no obligation free estimate.

our service area

We serve Ashburn and the nearby area

VirginiaMaryland
  • Adamstown
  • Ashton
  • Barnesville
  • Beallsville
  • Bethesda
  • Boyds
  • Braddock Heights
  • Brinklow
  • Brookeville
  • Brunswick
  • Buckeystown
  • Burkittsville
  • Cabin John
  • Chevy Chase
  • Clarksburg
  • Damascus
  • Dayton
  • Derwood
  • Dickerson
  • Gaithersburg
  • Garrett Park
  • Germantown
  • Glen Echo
  • Glenelg
  • Highland
  • Ijamsville
  • Jefferson
  • Kensington
  • Knoxville
  • Middletown
  • Monrovia
  • Montgomery Village
  • Mount Airy
  • Mount Rainier
  • New Market
  • Olney
  • Point Of Rocks
  • Poolesville
  • Potomac
  • Rockville
  • Sandy Spring
  • Silver Spring
  • Spencerville
  • Suburb Maryland Fac
  • Takoma Park
  • Tuscarora
  • Washington Grove
District of Columbia
  • Washington
Our Locations:

NV Waterproofing & Foundation Repair
7780 Progress Ct
Gainesville, VA 20155
1-703-722-8580
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