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What is a mil?

Epoxy coatings used for concrete flooring can be measured in fractions of inches, like the term one-quarter inch. In the epoxy industry, however, a common measurement system is based on the mil. One mil equals one-thousandth of an inch. How wide is that? Comparing...

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What is Crazing?

Cracks in concrete can be measured on a spectrum of severity. At the worst end, you have the kind of crack that forms when the ground settles underneath a slab and part of the concrete sinks far below the rest of it. That’s a serious crack and entails a major repair....

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Why Concrete Fails: Abrasion

“Many industrial floors are subjected to abrasion by steel or hard rubber wheeled traffic, which can cause significant rutting.”—Portland Cement Association Abrasion is the simple act of one object rubbing against another. For example, in a sandstorm, sand particles...

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Why Concrete Fails: Carbonation

Carbonation is something we typically associate with sodas, soft drinks and beer. Just as carbon dioxide penetrates some of our favorite liquids and creates effervescent bubbles, it can also penetrate the pores of concrete, directly from the surrounding air. When it...

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Why Concrete Fails: Corrosion

“Corrosion of reinforcing steel and other embedded metals is the leading cause of deterioration in concrete.” — Portland Cement Association Concrete is one of the most commonly used construction materials and is present it nearly every Sacramento home. Protecting your...

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How Concrete is Made

The terms concrete and cement are commonly interchanged when describing a solid surface made from these substances. If your neighbors need a new patio, whether they tell you it’s going to be made of cement, or they call it a concrete patio, your vision of the finished...

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A detailed image of wet concrete being poured from a wheelbarrow onto a construction site, with workers in the background actively involved in the process. The concrete is heaping and spreading, with its rough texture visible, indicative of ongoing construction and building foundations using cement.

What is Cement Made From?

Many think that cement is a raw material, like coal or iron, dug up out of the ground. In fact, cement is actually manufactured from other raw materials. According to the Portland Cement Association*, a British bricklayer made the first modern cement in his home...

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Interior view of a room with a freshly coated gray epoxy floor with coves and white tiled walls. A partial wall with an unfinished wooden top edge divides the space, and the glossy floor surface reflects soft overhead lighting.

Know Your Coves

When an epoxy coating is applied to both the floor and the walls of a room, the epoxy along the wall is called the cove. Coves come in three major types and various widths, based on the designer’s specifications or an owner’s preferences. Here we explain the options...

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Underwater action shot of a female swimmer mid-stroke in a pool containing chlorine or chlorides, her body angled forward and arm extended. She wears a dark swimsuit, swim cap, and goggles, creating ripples and bubbles in the clear blue water around her, capturing the dynamism and focus of competitive swimming.

Protecting Concrete From Chlorides

Lately California Custom Coatings has discussed various substances that cause damage to concrete with consistent exposure. For this article, we focus on chlorides. The Portland Concrete Association writes: “No other contaminant is documented as extensively in the...

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Illuminated restroom sign mounted on a wall, featuring iconography for both male and female facilities. The sign has a warm yellow backlight and is designed with a brown background and white gender symbols, clearly indicating the location of restrooms in a public or commercial setting.

Protecting Concrete From Sewage

Sixth in a series about common causes of concrete deterioration. Sewage is one of those things we do not want to see or smell, but dealing with it properly is essential for a healthy, functioning society. That’s why we have rooms and buildings dedicated to...

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A round outdoor thermometer partially embedded in fresh snow, with the needle indicating a temperature around the freezing point. The thermometer has a clear, legible scale with red and blue color coding for temperature degrees in Celsius, providing a visual contrast against the white snowy background.

Protecting Concrete Floors From Freezing

Fifth in a series about common causes of concrete deterioration. Most of California is fortunate when it comes to freezing weather. In Southern California, for example, freezing weather is seldom seen. In Northern California, a number of sub-freezing days are...

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A close-up image capturing the vibrant stream of red wine being poured into a tilted clear wine glass. The background softly blurs a selection of wine bottles, emphasizing the action and the rich color of the wine, with bubbles visible near the surface, suggesting a fresh pour.

Protecting Concrete Floors: Wine

This is the fourth in a series of articles about substances that can damage concrete. Wine is the oldest alcoholic beverage. Fermented grape juice has a long history and its manufacture is very important to the Northern California economy and our enjoyment of the many...

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Golden motor oil pouring from a plastic container against a blurred background, showcasing the viscosity and smooth flow of the lubricant with a warm color tone that emphasizes its texture and use in machinery maintenance.

Protecting Concrete Floors: Oil

This is the first article in a series about common substances that attack and destabilize concrete. Concrete is an alkaline substance, chiefly due to its primary component, cement. Therefore, if concrete is exposed to acids, it starts to break down. There are many...

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Trusted Concrete Coating Testimonials

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Legion
May 1, 2026

I had a good experience. Thanks.

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Les Malakian
January 15, 2026

Very good in every aspect

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Angela R.
June 7, 2016

The entire process, from quote to completion of job, was simple, thorough and professional. John was proactive in every aspect of communication including when he was on his way, what the timelines would be once work started and when we could place our items back in the garage. Both John and Josh epitomized professionalism and were extremely detailed as they prepped, cleaned and finished the floor. We are extremely pleased with the finished product and highly recommend them.