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Weeping Tile Installation


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Terry Kobatskyi

Terry is a reliable project manager with over 15 years in construction field, who has started his career of working in the trenches. Learn More About Terry Kobatskyi

Need to stop water from soaking into your house? Aquatech Waterproofing’s weeping tile system is a simple way to keep your home’s bottom dry. It takes water away from your house, stops mold from growing, and can even make your home worth more. Keep your place dry with our professional weeping tile installation!

How Does A Weeping Tile System Work?

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  • Water Collection: As groundwater rises, it filters through the soil and into the weeping tile, which is a perforated pipe laid around the foundation of a building.
  • Channeling Water: The collected water is then channeled through the weeping tile pipe, taking advantage of gravity due to the pipe’s sloped installation.
  • Discharge: Finally, the weeping tile system directs the water to a safe discharge point, such as a storm sewer or a sump pump, keeping the foundation dry.

The Types Of Weeping Tile Systems

Here’s a table that directly compares interior and exterior weeping tile systems

CriteriaInterior Weeping Tile SystemExterior Weeping Tile System
InstallationInstalled inside the basement along the perimeter of the foundation floor.Installed outside the home, along the exterior perimeter of the foundation.
Excavation RequiredMinimal to none; involves interior digging and may require basement floor disruption.Extensive; involves digging around the home's exterior, disturbing landscaping and possibly hardscaping.
Cost$3,000 - $10,000$10,000 - $20,000
Ideal ForExisting homes where exterior excavation is not feasible or for retrofitting in developed properties.New homes under construction or homes undergoing significant exterior renovations.
InterventionReactive; deals with water after it has entered the structure.Proactive; prevents water from reaching the foundation walls.
Protection Against ErosionDoes not protect against soil erosion since it is inside the structure.Protects the exterior foundation soils from erosion by intercepting water before it saturates the ground around the foundation.
Water ManagementDirects water that has entered the foundation to a sump pump, which expels it away from the home.Prevents water from accumulating near the foundation, diverting it before it can penetrate the foundation walls.
Long-Term SolutionEffective in controlling water ingress but may not address the source of water accumulation.Provides a durable solution given its ability to manage external water before it impacts the foundation.

Exterior Weeping Tile Installation Process


  • Start by digging a trench about 12 inches wide around the home’s perimeter, deep enough to reach the footer level.
  • Ensure the trench slopes at a consistent gradient (typically 1 inch for every 8 feet) for effective drainage.
  • Prepare for plant and shrub relocation and plan for the disposal of excess soil, considering the space the gravel and pipe will occupy.
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  • Spread a 2-3 inch base layer of washed, sewer stone gravel at the bottom of the trench.
  • Select a durable gravel like granite or river rock to prevent breakdown and maintain efficient drainage.


  • Choose durable PVC piping with pre-drilled holes for longevity and ease of maintenance.
  • Install a filter cloth around the pipe or lay it over the gravel to prevent roots and debris from clogging the system.
  • Include a clean-out point that is accessible above ground to facilitate future maintenance requirements.


  • Backfill the trench with additional gravel to cover the pipe, ensuring easy future access if needed.
  • Layer with soil and sod to hide the installation and provide a foundation for any new or restored landscaping.

Interior Weeping Tile Installation Process


  • Furniture and stored items are removed or covered to protect from dust and debris.
  • The basement floor is carefully broken up along the perimeter where the trench will be dug.
  • Dust and debris control measures, such as air filtration and plastic sheeting, are put in place.


  • A trench is excavated around the inner perimeter of the basement footings. This typically requires the removal of about 12-15 inches of the basement floor.
  • The trench must be deep enough to expose the footing and wide enough to house the weeping tile and gravel.


  • A perforated drainage pipe, often PVC, is laid along the trench. It’s positioned to ensure water flow toward the sump pump basin or drain.
  • The pipe is covered with wash gravel to facilitate drainage and prevent clogging from sediment.


  • If not already present, a sump pump system is installed to collect and pump out water that the weeping tile intercepts.
  • The sump basin is placed into a hole cut into the basement floor, strategically located to efficiently collect the incoming water.
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  • The trench is backfilled with new concrete to match the level of the existing basement floor.
  • The surface is smoothed and finished to seamlessly integrate with the surrounding area.


  • A thorough inspection and water test is conducted to ensure the system operates correctly without leaks.
  • Any necessary adjustments are made and the sump pump’s operation is tested and confirmed.

How to Use Weeping Tile for Backyard Drainage

Install weeping tiles in your backyard to effectively manage water runoff and prevent pooling. Excavate a slope-directed trench from the soggy areas toward a safe runoff point. Layer the trench with gravel, lay down the perforated weeping tiles, and then cover with more gravel and soil. These underground pipes will collect excess water and redirect it away from your outdoor spaces, safeguarding your garden, lawn, and home’s foundation from excess moisture and erosion.

Window Well Weeping Tile

For homes with basement windows, integrating a weeping tile system within window wells can avert potential water damage. Surround your window well with a gravel-filled trench that contains a weeping tile loop connected to your overall drainage system. This will capture any water accumulation, guiding it away from the window and preventing it from seeping into your basement. Regular maintenance, such as clearing debris from the well, ensures your weeping tiles remain effective even in heavy rainfall.

Why Wait Any Longer? Contact Aquatech Waterproofing Today!

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With a top-tier reputation underscored by a perfect 5-star rating, Aquatech Waterproofing is the clear choice for your home’s needs. We offer competitive pricing with the assurance of a lifetime transferable warranty. Renowned for swift action, we’re ready to start within days of utility location confirmation. Don’t delay—ensure your home’s safety and durability with Aquatech Waterproofing’s trusted service today.

FAQs About Weeping Tile Installation

Weeping tile systems are highly effective for draining water away from foundations, preventing basement leaks and soil erosion around a structure.

Yes, weeping tiles require a slope, typically at least 1% (1/8 inch per foot) towards the discharge point, to ensure proper drainage by gravity.
Weeping tile is typically installed at the foot of the foundation wall or under the basement floor, which can range from 6 to 8 feet below ground level, depending on the building.

Weeping tiles can work in winter as long as they don’t freeze. If installed below the frost line and properly pitched, they continue to divert water away from the foundation.

Yes, weeping tiles can get clogged with sediment, roots, or debris over time, which is why they are often wrapped with filter fabric and require periodic maintenance.

Yes, gravel is necessary around weeping tiles for filtration and to ensure efficient drainage by preventing dirt from clogging the perforations in the pipe.