System-Based Waterproofing Services

We design and install professional waterproofing systems that protect structures from water intrusion, environmental exposure, and long-term deterioration throughout Southern California.

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More Than Coatings. Complete Waterproofing Systems.

Waterproofing is a critical component of a building’s envelope. At SPL Waterproofing Inc., we focus on complete system-based solutions that manage water movement, structural transitions, and environmental exposure — not just surface protection.

Each system is tailored to the structure, usage, and climate conditions of Southern California, and installed by a C-39 licensed contractor with experience across residential, commercial, and multi-family projects.

Structural & Below-Grade Waterproofing

Protection for foundations, slabs, and structural elements exposed to soil moisture, hydrostatic pressure, and groundwater intrusion.

Foundation Waterproofing

Below-grade waterproofing systems engineered to protect foundations from moisture intrusion, soil movement, and long-term structural damage.

Concrete & Retaining Wall Sealing

Waterproofing and sealing solutions for concrete walls, podium decks, and retaining structures.

Drainage & Moisture Management

Integrated drainage systems designed to redirect water and reduce hydrostatic pressure around structures.

Elevated Decks, Balconies & Podium Systems

Traffic-rated waterproofing solutions for elevated structures exposed to foot traffic, UV exposure, and weather extremes.

Deck & Balcony Waterproofing

Durable, traffic-rated waterproofing systems for residential, HOA, and multi-family decks and balconies.

Podium Deck Waterproofing

Heavy-duty waterproofing systems for podium decks, parking structures, and mixed-use developments.

Waterproof Coating Removal & Repairs

Evaluation, removal, and repair of failed or aging waterproofing systems.

Roof & Flat Roof Waterproofing

Waterproofing systems designed for flat roofs, rooftop decks, and low-slope assemblies.

Flat Roof Waterproofing

Seamless waterproofing solutions for low-slope and flat roof assemblies.

Rooftop Deck Systems

Traffic-rated waterproofing systems for occupied rooftop spaces.

Commercial & Multi-Family Waterproofing

Large-scale waterproofing solutions for commercial buildings, HOAs, and multi-unit developments.

HOA & Multi-Family Projects

Coordinated waterproofing services designed to minimize disruption and support long-term maintenance planning.

Commercial Building Waterproofing

System-based waterproofing solutions for offices, retail spaces, parking structures, and mixed-use properties.

Our Waterproofing Process

  1. Step 1

    Inspection & Assessment

    We evaluate substrates, drainage conditions, structural transitions, and existing systems.

  2. Step 2

    System Design

    Appropriate waterproofing systems are selected based on structure type, exposure, and usage.

  3. Step 3

    Professional Installation

    All installations are performed by trained professionals under California C-39 licensing standards.

  4. Step 4

    Final Review & Documentation

    Completed systems are reviewed for quality, compliance, and long-term performance.

Licensed, Insured & Accountable

  • California C-39 Licensed Waterproofing Contractor
  • Bonded and Fully Insured
  • Experience Working with HOAs, Engineers, and Inspectors
  • Southern California Climate & Code Expertise

Request a Professional Inspection

Whether you are planning a project or addressing an active issue, our team provides expert evaluations and clear next steps.

Schedule an Inspection