Foundation Waterproofing Services
Protecting Your Investment Starts Below Ground
Protecting Your Investment Starts Below Ground
Water intrusion is one of the leading causes of foundation damage, mold growth, and structural instability. Our foundation waterproofing services provide a complete solution to keep your building dry, protected, and structurally sound for decades.
We integrate foundation waterproofing with our proven Drainage and French Drain services to deliver a full defense against groundwater. Our typical solution includes installing a French drain to direct water from saturated soils and a high-performance waterproof membrane. We commonly apply Bituthene® 4000 with a mastic coating, and we can also install SiteDrain® systems to further control groundwater flow and protect your structure.
If you have water penetrating or standing near your foundation, call or texting us at 📞408-693-6018 to get started on a solution. You can also use our contact form.
The above picture shows a French Drain installation that is in progress. The perforated pipe, drain rock, and filter fabric are in place, awaiting inspection. After our successful inspection, we wrapped the filter fabric around the pipe and drain rock. Given that this is right next to the foundation of a new home addition, we also covered the foundation with a waterproof membrane (not shown). Lastly, we even installed a Storm Drain over this French Drain.
Our Waterproofing Process
Membrane Application Using Bituthene® 4000
We apply Bituthene® 4000, a premium self-adhesive waterproofing membrane, directly to the foundation walls. Bituthene® 4000 provides:
- Outstanding resistance to water migration
- Excellent flexibility to handle foundation settling and movement
- A durable, long-term barrier against moisture, even under hydrostatic pressure
- Proven performance across commercial, residential, and municipal projects
Proper surface preparation and expert application are critical. Our trained team follows manufacturer-recommended techniques to ensure maximum adhesion and waterproofing effectiveness.
SiteDrain® Drainage Mat Installation
Waterproofing membranes are most effective when paired with drainage systems. We install SiteDrain® products to:
- Direct groundwater away from the foundation
- Relieve hydrostatic pressure buildup
- Protect the membrane from backfill damage
- Improve overall site drainage and soil conditions
SiteDrain® products are prefabricated drainage mats that create a protective layer between the soil and the waterproofing membrane, allowing water to flow efficiently to designated drainage points. SiteDrain® functions like a below-ground catch basin, intercepting water and channeling it toward a drainage system, much like a traditional pipe.
French Drain Installation
We typically install a French drain system at the base of the foundation along with the membrane application. Our French drains:
- Collect and redirect groundwater before it can build up against the foundation
- Protect basement walls and footings from water pressure and seepage
- Extend the life of your waterproofing system
- Help prevent costly future water damage repairs
Each French drain is engineered with the correct slope, pipe materials, and drainage rock to ensure long-term performance and protection.
Have a Drainage Problem but not sure to Solve It? We offer consultations.
How We Can Help
If you already know the drainage solution you need, we provide free estimates for your project. However, many homeowners are unsure of the best approach for their specific water drainage issue. In these cases, expertise is required to develop the right solution.
We offer a Drainage Consultation Service for $175. This service includes:
- A site visit to assess your drainage issue.
- A discussion of solution options tailored to your property.
- A written project estimate once a solution is agreed upon.
The $175 consultation fee is credited toward your project cost if you move forward with us. Additionally, our Project Estimate can be used to obtain bids from other contractors. If you would like the solution outlined separately from the estimate, we can provide that as well.
Call or Text us at 📞408-693-6018 to schedule your consultation.
Below are examples of Complex Drainage Solutions we have done.
The first one included an extensive French Drain, and Storm Drain which drained to a Custom Underground Dissipator Assembly. We also installed a Sump Pump Station and a Water Barrier Protection.
The Second One was a long French Drain with Water Barrier Protection added to the foundation.
Solving a complex Storm Drain, French Drain, Sump Pump for a major remodel/addition
Solving a Complex Home Water Drainage Project Storm Drain, French Drain, Sump Pumps, Foundation Water Barrier and a Custom Water Dissipator Not just a Storm
French Drain and Water Barrier Project in Discovery Bay
French Drain and Water Barrier Project in Discovery Bay Solving a Significant Drainage Problem for a Homeowner Solving a Significant Drainage Problem for a Homeowner
More Helpful Resources to Help Guide Your Decision
Choosing the right contractor is a big decision. These resources will help you understand our process, compare services, and see why homeowners, contractors, and property owners trust Freedom Underground for their underground utility needs.
| Why Choose Freedom Underground | Lifetime Warranty | Customer Reviews |
| FAQ: What You Can Expect from Freedom Underground Plumbing | FAQ: General Engineering Contractor | Pricing for Standard Services |
| Water Leak Detection and Location Tools | Trenchless Technology | City and County Resources for Permits |
| Past Project Examples Browse examples of our completed projects, complete with photos and videos, so you can see the quality of work you can expect when you choose to partner with us. |
Our Customer-Focused Blog Helpful articles and insights for homeowners on plumbing, water, sewer, gas line, and electrical conduit issues. |
Explore Our Services The specific types of services we can help you with. |
