There is no single coating or membrane that solves every waterproofing challenge. We match the installation approach to the surface, exposure, drainage, traffic, building use, and project requirements.
Protect Elevated Outdoor Spaces Protect balconies, patios, and elevated decks from leaks, coating failure, water damage, and premature deterioration.
Key Scope Highlights
Reduce Disruption Across Occupied Properties Phased waterproofing for apartment walkways, balconies, corridors, stairs, and other high-use exterior areas.
Key Scope Highlights
Address Water at the Exterior Wall Exterior membrane and drainage protection systems for foundation walls, retaining walls, and below-grade structures.
Key Scope Highlights
Protect the Building Envelope Commercial sealants, masonry water repellents, deck coatings, expansion joints, planters, and building-envelope protection.
Key Scope Highlights
Plan Repairs with Less Guesswork Balcony and deck restoration programs designed for condominium associations, HOA boards, and multi-family communities.
Key Scope Highlights
Make Roof Decks More Durable Waterproofing systems for flat roofs, occupied roof decks, rooftop patios, and elevated outdoor living areas.
Key Scope Highlights
Protect Below-Grade Structures Heavy-duty exterior waterproofing and drainage protection for retaining walls and subterranean concrete structures.
Key Scope Highlights
Waterproofing Services in Los Angeles & Orange County
Leaks, failed deck coatings, damaged balconies, and foundation water intrusion rarely fix themselves. SPL Waterproofing inspects the problem, explains your options, and installs the right system for your property.
A careful approach to waterproofing
Water can travel through coatings, joints, flashing, walls, and structural assemblies before it appears inside your property. A quick patch may hide the symptom while the damage continues underneath.
"The sooner the source is evaluated, the more options you may have. Request an inspection so you can make a decision based on the condition of the property—not guesswork."
There is no single coating or membrane that solves every waterproofing challenge. We match the installation approach to the surface, exposure, drainage, traffic, building use, and project requirements.
Our Process
Our job is not to overwhelm you with technical language or sell you a temporary patch. We help you understand what is happening and what should be done next.
We look at the visible symptoms, surface conditions, drainage, transitions, penetrations, joints, and other areas that may be allowing water to enter.
We explain what we found in plain language, identify important limitations, and discuss practical options for the property and project.
You receive a clear scope of work describing the proposed preparation, materials, details, finishes, and project expectations.
Our trained installers focus on preparation, transitions, flashing, penetrations, drainage, and the details that determine whether a waterproofing system performs.
Waterproofing work is only as dependable as the preparation and detailing beneath the finished surface. Our reputation depends on doing the work carefully, communicating honestly, and standing behind the result.
A stain, crack, or failed coating may be the visible result of a larger problem. We evaluate the surrounding conditions before recommending a solution.
Different substrates, exposure conditions, traffic levels, and building uses require different systems and installation details.
Owners, managers, HOA boards, contractors, and residents need to know what is happening, when it is happening, and what to expect.
Our goal is not simply to complete a scope. It is to deliver work the customer can feel confident recommending to someone else.
The right installation is important. So are scheduling, communication, documentation, access, safety, and minimizing disruption.
Get a clear explanation of the problem affecting your deck, balcony, roof deck, patio, or foundation before water damage spreads or repairs become more complicated.
Plan repairs with clear scopes, organized communication, phased scheduling, and documentation that helps your board or ownership group make an informed decision.
Work with a waterproofing subcontractor who understands drawings, specifications, sequencing, substrate preparation, details, and the importance of coordinating with the broader project.
Protect the building envelope, reduce recurring leaks, and address vulnerable areas such as joints, decks, planters, walls, penetrations, and exterior masonry.
We work with established waterproofing, sealant, and building-envelope manufacturers. The product matters, but so do substrate preparation, detailing, installation conditions, and workmanship.
Service Locations
We service commercial office parks, industrial complexes, retail centers, and multi-family communities across Southern California.
Do Not Wait for the Next Leak
Tell us what is happening, where the water is appearing, and what has already been attempted. We will help you determine the appropriate next step for your property.