Leak and moisture solutions throughout Los Angeles

Waterproofing Repair in Los Angeles

Cracked coatings, failed membranes, open joints, and poor drainage can allow water to reach the structure below. All Weather Waterproofing & Coating identifies vulnerable areas, repairs damaged waterproofing, and restores protection for residential, HOA, multi-family, and commercial properties.

  • 25+ years of waterproofing experience
  • 110+ five-star Yelp reviews
  • Many positive Google reviews
Professional waterproofing repair being completed on an exterior surface in Los Angeles
Targeted repairs restore weak areas and reconnect the waterproofing barrier.

Repair the failure—not only the symptom

Finding the Source of Waterproofing Problems

A visible stain or drip does not always appear directly below the point where water entered. Moisture can travel beneath coatings, through cracks, along framing, or around penetrations before becoming visible inside the property.

Effective waterproofing repair begins with evaluating the existing system and tracing likely water paths. We examine surface wear, cracks, seams, wall transitions, drains, door thresholds, railings, penetrations, and areas where different materials meet.

Once the vulnerable area is identified, the failed material must be prepared correctly and restored with a compatible repair method. Simply coating over loose, wet, or damaged material can conceal the problem temporarily without restoring dependable protection.

Waterproof coating applied after exterior surface preparation and repair
Careful preparation and compatible materials are essential to a durable waterproofing repair.

Warning signs of moisture intrusion

When to Schedule a Waterproofing Inspection

Small failures can spread beneath the visible surface. An inspection is recommended when you notice any of these conditions.

  • Cracked, peeling, blistering, or separating coatings
  • Ceiling stains, wall discoloration, drips, or damp areas
  • Soft plywood, swelling, rot, or movement underfoot
  • Standing water or drainage flowing toward the structure
  • Cracks near drains, scuppers, railings, posts, or thresholds
  • Loose tile, damaged grout, or moisture below finished surfaces
  • Efflorescence, rust staining, musty odors, or surface deterioration
  • Repeated leaks after earlier patching or temporary repairs

Repairs for multiple surfaces and conditions

Waterproofing Problems We Repair

The repair plan depends on the substrate, the existing waterproofing system, the extent of damage, and how water reaches and leaves the surface.

Deck and Balcony Leaks

We address failed coatings, seams, cracks, edges, and transition points on elevated decks, balconies, patios, and walkways.

Cracks and Failed Joints

Open cracks and deteriorated joints are prepared and repaired using materials appropriate for the surface and expected movement.

Drain and Penetration Areas

Vulnerable locations around drains, scuppers, railings, posts, pipes, doors, and wall transitions receive focused attention.

Concrete and Plywood Damage

Failed waterproofing is removed as needed so deteriorated areas can be evaluated and the protective system restored.

Tile, Paver, and Stone Leaks

We evaluate moisture paths beneath finished surfaces and determine whether localized repair or broader membrane work is appropriate.

Retaining and Below-Grade Walls

Moisture entry, cracks, and vulnerable transitions are assessed to determine a practical repair and moisture-control approach.

A methodical repair process

How We Restore Waterproofing Protection

Our process is designed to address both the visible failure and the details that allowed moisture to enter.

  1. InspectWe review the affected area, substrate, existing coating, transitions, penetrations, and drainage.
  2. LocateLikely entry points and moisture paths are identified instead of assuming the visible stain is the source.
  3. PrepareLoose, failed, contaminated, or incompatible materials are removed where necessary for proper adhesion.
  4. RepairDamaged details are restored and a compatible waterproofing or coating system is applied.
  5. ReviewThe repaired area, transitions, continuity, drainage paths, and finish are reviewed before completion.

The right scope for the existing condition

Repair or Replace the Waterproofing System?

Not every leak requires full replacement, but repeated patching is not the right solution when the existing system has widespread failure.

A Targeted Repair May Be Appropriate Broader Replacement May Be Needed
The failure is limited to a small, identifiable area. Cracking, peeling, blistering, or separation is widespread.
The surrounding waterproofing remains sound and well-adhered. The surrounding coating or membrane has poor adhesion or is near the end of its useful life.
The substrate is stable after localized preparation and repair. Moisture or deterioration extends across a larger portion of the substrate.
The new repair materials are compatible with the existing system. Previous patching, incompatible materials, or unresolved drainage issues have caused repeated failures.

Trusted by property owners and managers

Residential, HOA, Multi-Family and Commercial Repairs

All Weather Waterproofing & Coating repairs waterproofing systems for homes, apartment buildings, condominiums, HOAs, commercial properties, and renovation projects. We work on individual balconies and patios as well as shared walkways, decks, podium areas, and exterior building surfaces.

Our recommendations are based on the observed condition of the surface and waterproofing assembly. The goal is to provide a clear repair approach that protects the property and reduces the chance of recurring moisture intrusion.

25+Years of waterproofing experience
110+Five-star reviews on Yelp
LocalCoastal and inland Los Angeles service

Local waterproofing repair service

Serving Los Angeles and Nearby Communities

We repair waterproofing systems across coastal and inland communities where sun, ocean air, irrigation, seasonal rain, traffic, and building movement can contribute to coating and membrane failure.

  • Santa Monica
  • Beverly Hills
  • Malibu
  • West Hollywood
  • Marina del Rey
  • Manhattan Beach
  • Van Nuys
  • Woodland Hills
  • Calabasas
  • Greater Los Angeles

Common repair questions

Waterproofing Repair FAQs

What causes a waterproofing system to fail?

Common causes include age, ultraviolet exposure, movement, poor surface preparation, incompatible materials, cracks, failed joints, drainage problems, penetrations, and damage from traffic or later construction work.

Can you repair waterproofing without replacing the entire system?

Sometimes. A localized repair may be appropriate when the failure is limited and the surrounding system remains sound and compatible. Widespread separation, deterioration, trapped moisture, or repeated leaks may require a broader replacement.

How do you locate the source of a waterproofing leak?

We examine the affected area together with likely water paths, including cracks, seams, transitions, drains, railings, posts, doors, penetrations, and changes in surface materials. The visible stain may not be directly below the entry point.

Do you repair leaking decks and balconies?

Yes. We repair waterproofing on decks, balconies, patios, walkways, and other exposed exterior surfaces. The repair method depends on whether the substrate is concrete, plywood, tile, pavers, stone, or another existing assembly.

Should I wait until the rainy season to repair a small leak?

No. A small visible leak can indicate moisture traveling beneath the surface. Evaluating the condition during dry weather can provide time for proper preparation and repair before additional rain reaches the vulnerable area.

Which areas do you serve?

Our service area includes Santa Monica, Beverly Hills, Malibu, West Hollywood, Marina del Rey, Manhattan Beach, Van Nuys, Woodland Hills, Calabasas, and surrounding Los Angeles communities.

Repair the Waterproofing Before Moisture Damage Spreads

Tell us where you see staining, cracking, peeling, standing water, or an active leak. Our team can help determine the next step for inspection, targeted waterproofing repair, or system replacement.

Serving Los Angeles and nearby communities with more than 25 years of waterproofing experience.