Established Authority

The Pedestrian Waterproofing Specialists

SPL Decks was established as a dedicated division of SPL Waterproofing Inc. to provide laser-focused expertise on the structures we live on: decks, balconies, and patios.

SPL Decks team members reviewing architectural details for a balcony waterproofing project

Engineered with Industry Leaders

VaproShield
Westcoat
Sika
Tremco

The SPL Decks Standard

Architectural Precision

We focus on the details that matter: flashing, transitions, and slope-to-drain accuracy.

UV-Engineered Systems

Southern California sun destroys cheap coatings. We only install UV-stable, multi-layer assemblies.

Expert Craftsmanship

Our applicators are manufacturer-certified, ensuring your warranty remains fully intact.

Backed by Corporate Stability

As a division of SPL Waterproofing Inc., we bring the financial stability and insurance coverage of a major contractor to every residential project.

License
C-39 Specialty Waterproofing #1088354
Insurance
General Liability & Workers Comp
Bonding
Fully Bonded for Commercial & HOA
Areas Served
Orange County, Los Angeles, and Ventura County (Coastal & Inland).
"From the hills of Thousand Oaks to the cliffs of San Clemente, we provide structural moisture protection for Southern California’s most exposed architectural environments."