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Foundation Waterproofing

Interior and exterior wall waterproofing that stops water at the source — before it reaches your floor joists, your crawl space, or your basement.

Why it matters

Water finds the crack you haven't noticed yet.

Hydrostatic pressure pushes groundwater through hairline cracks, cold joints, and porous block — often long before it's visible as a puddle. By the time you see staining or efflorescence on a foundation wall, water has usually been getting in for a while.

Waterproofing seals the wall itself, from the inside or the outside depending on what your foundation needs, so the water stops before it reaches anything it can damage.

Foundation wall waterproofing membrane applied before backfill
How we approach it

Interior or exterior, matched to what's actually happening.

Interior wall sealing

A sealed interior membrane and drainage channel for walls where excavation isn't practical — fast to install, minimal disruption to landscaping.

Exterior wall waterproofing

Excavation to the footing with a full exterior membrane, for foundations where the water needs to be stopped before it ever reaches the wall.

Seal plumbing penetrations

Every pipe and conduit through a foundation wall is a potential entry point — each one gets sealed as part of the job, not treated as an afterthought.

Related services

Often paired with waterproofing.

Crawl Space Encapsulation

Once the water is stopped at the wall, encapsulation seals the space completely and keeps humidity under control long-term.

Learn more

French Drain & Interior Drainage

Waterproofing stops water entering through the wall — drainage handles water that's already reached the floor. Most jobs with active flooding need both.

Learn more
Free, no-obligation estimate

Get a straight answer on where the water is coming from.

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