Below-Grade Protection
Foundation Waterproofing
When water gets below grade it does not knock first. It shows up as damp stem walls, musty crawl spaces, and efflorescence bloomin...
Foundation Waterproofing details →Concrete Waterproofing in San Diego County
Concrete looks permanent, but it is porous, it cracks, and it moves. We waterproof concrete patios, walkways, walls, and structural surfaces across San Diego County with systems matched to how each surface is used and how water is reaching it.
Since 2012CA Lic. #1063501San Diego County
Signs concrete is taking on water
When to call us
- ✓Efflorescence, the white chalky mineral bloom on the surface
- ✓Dark damp patches that linger after everything else has dried
- ✓Cracks that widen seasonally or telegraph through coatings
- ✓Spalling or flaking at the surface
- ✓Musty smell in rooms adjacent to or below the concrete
- ✓Rust staining from rebar bleeding through
Water and concrete
Water moves through concrete three ways: through cracks, through joints and transitions, and directly through the pore structure of the material itself. A surface sealer alone only addresses the third path. If a crack is live or a cold joint is letting water through, sealing the surface around it accomplishes very little, which is exactly why so many sealed patios and walls keep leaking.
Matching the system to the problem
That is why our concrete work starts with figuring out which path the water is taking. Live cracks get routed and filled with the right elastomeric material. Joints and transitions get detailed individually. Then the field gets the appropriate treatment: a penetrating silane or siloxane sealer for a driveway that needs to breathe, a cementitious or fluid applied membrane where standing water or planters are involved, or a traffic coating where the surface doubles as a walkway.
Done once, documented
Concrete waterproofing is unglamorous work where product selection and prep decide everything. We document what we applied and where, so the next owner of the maintenance question, including future you, knows exactly what is on the surface and when it went down.
Scope of Work
Concrete systems we install
- ✓Crack routing and elastomeric filling for live and static cracks
- ✓Penetrating silane and siloxane sealers for slabs and driveways
- ✓Cementitious waterproof coatings for walls and containment
- ✓Fluid applied membranes for surfaces that see standing water
- ✓Traffic rated coatings for walkable concrete
- ✓Joint and transition detailing
Pricing, Honestly
What drives the cost
Concrete waterproofing is priced by surface area, surface condition, and the system the situation actually calls for. A penetrating sealer over sound concrete is the economical end of the range. Crack repair, spall repair, and membrane systems add scope. As always, the quote follows a free assessment and comes itemized, so you can see what each part of the fix costs.
- ✓Square footage and surface condition
- ✓Crack and spall repair scope before any coating
- ✓System type: penetrating sealer, membrane, or traffic coating
- ✓Whether the surface must remain walkable or decorative
How We Work
Diagnose. Prepare. Seal and verify.
01 / Diagnose
Find the true source
We trace where water is actually entering before anything is quoted. Sealing over a mystery is how the same failure happens twice.
02 / Prepare
Fix what is underneath
Substrate repair, flashing, and slope come before any product goes down. It is the part of the job you never see, and it decides everything.
03 / Seal + Verify
Install the right system
Materials matched to your surface and exposure, installed to spec, checked before we call it done.
Related Services
Often part of the same fix
Hillside + Canyon Properties
Retaining Wall Waterproofing
San Diego is a county of hillsides, and hillsides mean retaining walls holding wet soil back from living spaces, patios, and found...
Retaining Wall Waterproofing details →
Give Water Somewhere To Go
Drainage Systems
Half of the waterproofing problems in San Diego County are really drainage problems wearing a disguise. We design and install Fren...
Drainage Systems details →Straight Answers
Questions we hear about this work
Is sealing concrete worth it in San Diego's dry climate?
Yes, and the dry climate is part of the reason. San Diego concrete goes months bone dry and then takes concentrated winter rain, which drives water into every crack and pore at once. Sealed concrete sheds that water instead of absorbing it, which is what prevents the freeze of rebar corrosion, spalling, and sub-slab moisture problems.
Will a sealer stop my concrete from cracking?
No, and anyone who tells you otherwise is selling something. Sealers manage water, not structural movement. What we do is repair the cracks correctly, then seal, so water stops using the cracks as a highway.
How often does concrete sealing need to be redone?
Penetrating sealers typically serve for years before reapplication, while film forming coatings depend on traffic and sun exposure. We tell you the honest maintenance interval for the specific product we use on your surface.
Can you waterproof a concrete wall from the outside?
Where access allows, positive side waterproofing on the exterior face is the right way to do it, and it is our preference. When excavation is impractical we will tell you what an interior side approach can and cannot achieve before you spend money on it.
Next Step
Get a diagnosis, not a sales pitch
Tell us what you are seeing with your concrete waterproofing project, anywhere in San Diego County. The owner reviews every assessment and every quote.
3930 El Cajon Blvd, San Diego, CA 92105
Mon to Sat: 9AM to 5PM · Sun: Closed
CA Lic. #1063501 · Since 2012
Quoted by the owner. No sales rep follow-up circus.