Affordable Basement Waterproofing
Maryland • Washington DC • Delaware
Looking for Basement Waterproofing Near You?
Affordable Basement Waterproofing is your local team for basement leaks, wet walls, and water entering where the floor meets the wall. BBB A+ rated, with free inspections to identify the source and explain your repair options.
We provide basement waterproofing throughout Maryland, Washington DC and Delaware.
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Our interior basement waterproofing system is designed to collect and redirect groundwater before it reaches your finished basement. Through a carefully planned perimeter drainage system, water is directed toward a sump pump for controlled discharge.
Groundwater can enter through several vulnerable areas of your foundation. Recognizing these locations helps determine how the drainage system should be designed and installed.
Every component has a specific role in collecting, channeling and directing water away from your basement foundation.
Our typical interior waterproofing installation may include:
Not every basement requires the exact same configuration. Our waterproofing approach considers foundation type, water-entry locations and site conditions to determine the appropriate drainage components.
Our interior basement waterproofing system is designed to collect and redirect groundwater before it reaches your finished basement. By combining perimeter drainage, drainage stone and a sump pump, we help manage water beneath and around your foundation.
Water can enter through different parts of your foundation. Identifying these common entry points helps determine the appropriate waterproofing approach for your property.
Each component plays a role in collecting, channeling and directing groundwater away from your basement foundation.
Components selected according to foundation type and drainage requirements.
Not every basement requires the same configuration. Our waterproofing approach considers foundation type, water-entry locations and site conditions to determine the appropriate drainage components.
We believe the finished appearance matters.
Our crews work to leave the basement clean and organized after the drainage system has been installed and the floor has been cemented back.
White Dura-Skrim liner covering the walls and knee wall above perimeter drainage.
Photo digitally cleaned for website display.
White Dura-Skrim helps direct wall moisture into the drainage system while also giving unfinished basement walls a cleaner, brighter appearance.
It can be installed in conjunction with the interior waterproofing system and perimeter wall drainage.
Water entering through exterior basement stairs can overwhelm a basement if it is not properly captured.
Our stairway drainage system can be connected directly to the interior perimeter drainage system so water is collected and carried to the sump pump.
A look at window well drain installation in Prince George’s County, Maryland, showcasing the process from foundation wall preparation and drain pipe connection to exterior completion and concrete floor restoration.
A drain line is routed through the foundation wall and connected to the interior basement waterproofing system. This allows water collected in the window well to flow toward the sump pump, helping manage water intrusion and protect the basement from unwanted moisture.
Window well drain installation process, including foundation wall preparation, drain pipe connection, exterior window well completion and interior concrete floor restoration.
Preparing the foundation wall to create a suitable drainage connection.
Connecting the window well drain to the interior basement drainage system.
Completing the installation with exterior finishing and interior concrete restoration.
Foundation cracks are a common source of basement water intrusion. Even small cracks can allow moisture to enter and contribute to damp walls, water seepage and ongoing basement problems.
Depending on the crack and surrounding conditions, repairs may include:
When exterior access is appropriate, the affected foundation area can be excavated to address the crack from outside. This project showcases the repair process, including hand excavation, foundation treatment and sod replacement to restore the surrounding landscape.
Exterior foundation crack repair – from hand excavation and foundation treatment to completed backfilling and sod replacement.
The sump pump is the heart of most interior basement waterproofing systems.
We install professional sump pump systems designed to remove groundwater collected by the drainage system and discharge it away from the foundation.
Available options may include:
The primary pump removes collected groundwater. An optional battery-backup pump provides added protection during power outages or if the primary pump cannot keep up.


Not all basement waterproofing systems are installed the same way.
The size and depth of the trench, type of drainage pipe, stone, filter fabric, wall drainage and sump pump setup all affect how well the system performs over time.
We provide basement waterproofing throughout Maryland, including:
Affordable Basement Waterproofing provides interior drainage systems, sump pumps, foundation crack repair and related waterproofing services throughout Washington DC.
View Washington DC Basement Waterproofing Services →We also provide basement waterproofing and drainage services throughout Delaware.
View Delaware Basement Waterproofing Services →Qualifying interior basement waterproofing systems include a transferable lifetime waterproofing warranty.
If your basement is leaking, the first step is determining where the water is coming from.We will inspect the basement, discuss the source of the problem and explain the waterproofing options available for your home.