Serving Los Angeles and nearby coastal communities
Deck & Balcony Waterproofing in Los Angeles
Protect your deck, balcony, patio, or exterior walkway from leaks, cracking, rot, and costly structural damage. All Weather Waterproofing & Coating installs and repairs durable waterproofing systems for residential, multi-family, HOA, and commercial properties.
- 25+ years of waterproofing experience
- 110+ five-star Yelp reviews
- Residential and commercial service
Long-term moisture protection
Why Deck and Balcony Waterproofing Matters
Decks and balconies are exposed to rain, irrigation, temperature changes, ultraviolet light, foot traffic, and coastal moisture. Even a small crack or failed joint can allow water to reach the surface below, where hidden damage may develop before a leak becomes visible.
A properly selected and installed waterproofing system creates a continuous protective barrier over vulnerable surfaces and transition points. It helps move water toward drains or edges while protecting the supporting materials below.
Our team evaluates the surface, drainage, penetrations, wall transitions, and existing coating before recommending an appropriate repair or waterproofing approach. Every deck is different, so the system must match the substrate and actual site conditions.
Know the warning signs
When Your Deck or Balcony Needs Attention
Early action can limit moisture intrusion and reduce the extent of future repairs. Schedule an inspection if you notice any of the following conditions.
- Cracked, peeling, bubbling, or worn deck coatings
- Water stains on ceilings or walls below a balcony
- Soft spots, swelling, rot, or movement in plywood
- Standing water or drainage flowing toward the building
- Cracks around railings, posts, drains, doors, or wall transitions
- Loose tile, deteriorated grout, or moisture beneath finished surfaces
- Rust, efflorescence, mold-like discoloration, or musty odors
- An aging system with no recent professional evaluation
Solutions for exposed exterior surfaces
Deck and Balcony Surfaces We Waterproof
The best waterproofing assembly depends on the substrate, finished surface, traffic, exposure, and drainage conditions—not on a one-system-fits-all approach.
Concrete Decks
Protective coatings and membrane systems help limit water penetration through cracks, joints, and porous concrete surfaces.
Plywood Decks
Flexible, reinforced systems help protect wood substrates from moisture, swelling, deterioration, and rot.
Tile Decks
A correctly installed membrane beneath the finished tile helps protect the structure when grout or surface joints admit moisture.
Pavers and Stone
Under-surface waterproofing and drainage are coordinated to protect occupied spaces and structural areas below.
Balconies and Walkways
Traffic-rated protection is designed for exposed residential, apartment, condominium, and commercial access areas.
Roof and Podium Decks
Specialized assemblies protect elevated decks and larger occupied surfaces over interior or shared building areas.
A complete waterproofing approach
Our Deck Waterproofing Process
A dependable result begins with identifying why the existing surface failed and preparing the substrate before the new protective system is installed.
- InspectionWe evaluate the surface, transitions, penetrations, drainage, and visible signs of moisture.
- PreparationLoose or failed materials are removed so the substrate can be cleaned and prepared correctly.
- RepairsCracks, damaged areas, joints, flashing details, and other vulnerable locations are addressed as needed.
- WaterproofingThe selected membrane or coating system is installed with attention to coverage, reinforcement, and adhesion.
- Final ReviewThe completed work is reviewed for continuity, drainage paths, transitions, and finish quality.
Residential, HOA and commercial properties
Waterproofing for Homes, Apartments and Commercial Buildings
All Weather Waterproofing & Coating works with homeowners, property managers, HOAs, contractors, and commercial property owners. We handle individual residential balconies as well as walkways, decks, and shared exterior surfaces across multi-family and commercial properties.
For repairs and occupied properties, we focus on identifying the affected areas and creating a clear plan based on the existing surface. For remodeling and new construction, early coordination helps ensure the waterproofing system, drains, thresholds, railings, and finished surfaces work together.
Local waterproofing experience
Deck and Balcony Waterproofing Across Los Angeles
We serve coastal and inland communities where sun exposure, ocean air, seasonal rain, irrigation, and building movement can challenge exterior decks and balconies.
- Santa Monica
- Beverly Hills
- Malibu
- West Hollywood
- Marina del Rey
- Manhattan Beach
- Van Nuys
- Woodland Hills
- Calabasas
- Greater Los Angeles
Explore related solutions
Related Waterproofing Services
Use these service pages to find the solution most closely matched to your property, surface, or moisture problem.
Common questions
Deck and Balcony Waterproofing FAQs
Can an existing deck or balcony be waterproofed?
Yes, in many cases. The existing coating, substrate, drainage, transitions, and any moisture damage must first be evaluated. Failed materials may need to be removed and damaged areas repaired before a compatible waterproofing system can be installed.
What are the signs that a balcony waterproofing system is failing?
Common signs include cracks, peeling or bubbling coatings, stains below the balcony, soft plywood, loose tile, standing water, deteriorated joints, and leaks around drains, railings, doors, or wall transitions.
Which deck surfaces can you waterproof?
We work with concrete and plywood decks, balconies, exterior walkways, tile assemblies, and surfaces finished with pavers or stone. The appropriate system depends on the substrate, traffic, exposure, drainage, and desired finish.
How long does deck waterproofing last?
Service life varies by system, preparation, installation quality, exposure, drainage, traffic, and maintenance. A professional inspection is the best way to determine the condition of an existing system and the appropriate maintenance or replacement plan.
Do you waterproof residential and commercial properties?
Yes. We serve homeowners, apartment and condominium properties, HOAs, property managers, contractors, and commercial property owners throughout the Los Angeles 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.
Protect Your Deck or Balcony Before Water Damage Spreads
Tell us about the property, surface, and signs of moisture you have noticed. Our team can help you determine the next step for deck waterproofing, balcony repair, or a professional inspection.
Serving Los Angeles and nearby communities with more than 25 years of waterproofing experience.