Deck Coatings: Why Concrete Waterproofing Matters

Whether you have a concrete deck or you are considering adding this feature to your home, deck coatings can protect this investment and keep your deck materials looking their best. Many people mistakenly believe that coatings are not necessary for concrete decks, but taking this step is essential, and here’s why.

1. Coatings Prevent Water Intrusion

Concrete is porous by nature, meaning water can seep into the surface over time. Waterproof coatings create a continuous barrier that prevents moisture from penetrating the deck and reaching underlying structures.

2. Coatings Protect Structural Integrity

When water infiltrates concrete, it can reach reinforcing steel (rebar), causing corrosion. This leads to cracking, spalling, and eventual structural deterioration—especially in elevated decks and balconies.

3. Coatings Protect Against The Elements

While our winter rains can take their toll on your concrete deck, UV rays and temperature fluctuations also can impact the concrete. Applying a deck waterproof coating can help prevent fading, chalking, and surface degradation caused by UV rays and weather in general.

4. Coatings Improve Aesthetics

A professionally applied deck coating can transform plain or worn surfaces into clean, attractive finishes. Options range from decorative textures to colored systems that elevate the overall look of the property. If you are planning on selling your home in the near future, deck coatings can be a fast, easy way to improve the look of your deck and your property.

Deck Waterproofing Vs. Deck Coating

At Thome Waterproofing, we can provide you with deck coating or deck waterproofing services, but which option should you choose? In general, deck coating is used for surfaces like pool decks, backyard concrete patios, wood decks, and walkways. These systems are primarily designed to protect and enhance the surface.

The process typically involves thoroughly cleaning the substrate, repairing cracks or minor damage, and applying a durable, professional-grade coating that improves appearance, adds slip resistance, and provides excellent surface protection.

Deck waterproofing, on the other hand, is a much more comprehensive process, typically used for balconies and elevated decks built over living or usable space. In these cases, the goal is not just surface protection, but to prevent water from penetrating the structure entirely.

This process often includes removing adjacent materials (such as stucco at the perimeter), installing proper flashing, correcting drainage and slope, and applying a multi-layer waterproofing system designed to create a continuous, watertight barrier.

Concrete Decks: Ideal For Southern California

If you are considering adding a deck to your yard, a concrete deck can be an excellent option to consider for several reasons, including.

1. Concrete Is Well-Suited To Our Climate

Southern California’s climate is characterized by intense sun, minimal freeze-thaw cycles, and long dry periods. Concrete performs exceptionally well in these conditions because it doesn’t warp, rot, or dry out the way wood can.

2. Superior Fire Resistance

In wildfire-prone regions, material choice matters. Concrete is non-combustible, making it a safer option compared to wood decking and other materials, which can ignite from embers or radiant heat.

These days, creating a fire-safe yard has never been more important. Not only can you reduce your fire risk, but many insurance companies are beginning to require that homeowners and property owners make substantial changes in order to continue coverage.

A concrete deck can be a great option, but we also recommend removing highly flammable vegetation, such as conifers and eucalyptus trees with high-moisture, fire-resistant plants. If you have mulch beds, swap out the wood chips for fire-resistant options such as rocks. Be sure to remove all dead plants and brush from your yard, as well.

3. Low Maintenance

Compared to wood, concrete decks require significantly less maintenance. There’s no need for frequent staining, sealing, or replacing boards. When paired with a professional coating or waterproofing system, maintenance becomes even more minimal. Our professional deck coatings also make maintenance easier, as they repel water and spills and protect against UV rays.

4. Durability

Concrete can withstand heavy foot traffic, outdoor furniture, and environmental exposure without deteriorating quickly. It resists pests, moisture damage, and general wear better than many alternative materials.

5. Cost-Effective

In some cases, the cost of adding a concrete deck might be more expensive than other materials. However, over time, concrete decks require less maintenance and tend to have longer life spans than other materials.

6. Increased Safety

At Thome Waterproofing, when we provide waterproof deck coatings, we apply coatings that include texture to ensure slip-resistance, which can increase safety. Additionally, we can provide you with a cool deck coating that minimizes the surface temperature. 

While this is a great option for concrete pool deck coating, if you don’t have a pool on your property, it still can be nice to have a cooler deck, allowing you to walk around barefoot more comfortably during the hot summer months.

Thome Waterproofing: Residential & Commercial Deck Coating

At Thome, we can provide any type of deck coating or deck waterproofing services you need. This includes concrete deck coating, wood deck coating, roof deck waterproofing, and balcony waterproofing.

If you’ve been searching for waterproofing companies in Los Angeles, we serve clients throughout the LA metro area, as well as Ventura County and throughout Southern California. Whether you need deck coatings or comprehensive deck waterproofing, contact us at any time for a free cost estimate for our services.