A team of professional waterproofing contractors on a large project

Comprehensive Waterproofing Solutions

From residential balconies to large-scale commercial structures, SPL Waterproofing provides code-compliant, professional-grade protection for every surface.

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Explore Our Specialized Services

We specialize in long-term protection systems for Southern California’s unique climate and architecture. Select a service to learn about our specific systems and expertise.

A multi-story apartment complex in Orange County with newly waterproofed walkways and balconies
commercial

Apartment Complex Waterproofing Orange County

Specialized waterproofing services for apartment complexes and multi-family housing in Orange County. Protect walkways, balconies, and elevated decks.

A luxury balcony with a seamless waterproofing finish and a view of the Hollywood Hills
residential

Balcony Waterproofing Hollywood Hills

Premium balcony and deck waterproofing services for hillside and luxury properties in the Hollywood Hills.

A large commercial building undergoing professional exterior waterproofing in Orange County
commercial

Commercial Building Waterproofing Orange County

Full-service commercial building waterproofing and exterior weatherproofing for Orange County properties.

Commercial deck waterproofing project in Los Angeles
commercial

Commercial Waterproofing & Sealing Services

Protect your building with expert commercial waterproofing, sealing, and weatherproofing services.

A beautifully waterproofed residential balcony overlooking a coastal landscape
residential

Deck & Balcony Waterproofing Services

Professional multi-layer waterproofing systems for residential and multi-family decks and balconies in Southern California.

A concrete foundation wall being treated with a professional waterproofing barrier
commercial

Foundation & Below-Grade Waterproofing

Comprehensive moisture mitigation and concrete sealing to protect the structural integrity of your building foundation.

Large multi-family apartment complex with waterproofed balconies in Orange County
commercial

Multi-Family & HOA Waterproofing Orange County

Professional waterproofing solutions for HOAs, apartment complexes, and multi-family properties across Orange County.

A large flat commercial roof with a high-performance white waterproofing membrane
commercial

Roof & Roof Deck Waterproofing

Specialized flat roof and walking roof deck waterproofing systems engineered for UV protection and long-term durability.

A technician applying a liquid waterproofing membrane to a large Los Angeles rooftop
commercial

Roof Waterproofing Services Southern California

Expert roof waterproofing and flat roof sealing services for commercial and residential properties in Los Angeles.

Below-grade foundation wall with professional waterproofing membrane installed
commercial

Subterranean & Foundation Waterproofing Orange County

Specialized subterranean and foundation waterproofing services to protect below-grade structures in Orange County.

Not sure which system you need?

Our team provides comprehensive inspections and can recommend the most effective, code-compliant system for your specific structure.