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Epoxy Flooring Terms Explained

Updated: Jun 24

A technician is applying a clear epoxy floor coating using a roller brush in a garage. The epoxy flooring has a glossy finish, reflecting the overhead lights, showcasing the smooth, durable surface.

It is important to understand what will be put on your floor when you go through Tru-Grit. Or any epoxy coating company that you may use. When talking to customers, these are six unfamiliar terms that epoxy coating companies may use that you need to know; which are:

  • Urethane

  • Polyaspartic

  • Metallic Epoxy

  • Silane Siloxane Sealer

  • Concrete Surface Profile

  • Milling Down

What do these epoxy terms mean?


A synthetic crystalline compound used in making a synthetic resin that is used to coat the epoxy floors, Tru-Grit Coatings uses a water-based urethane. Thinner consistency than regular epoxy


Otherwise known as Aliphatic Polyurea. It is a rapid curing formulation designed to preserve excellent color stability and avoid discoloration on surfaces that are regularly exposed to sunlight. When fully cured, it is utilized as a top layer over epoxy, polyurethane, and polyurea to make a coating material with excellent tensile strength and abrasion resistance.

A detailed close-up of a metallic epoxy floor with swirling pearlescent patterns, resembling a lava flow. The multi-layered epoxy system creates a unique, eye-catching design.


A multi-layered epoxy system that incorporates the use of a metallic additive mixed into a clear epoxy that flows as it cures, creating a lava flow or pearlescent design.


A penetrating concrete sealing compound that penetrates the concrete and chemically reacts in the pores to generate a water-resistant barrier that is not visible from the surface. This sealer will keep the concrete looking natural and unsealed, and it will not discolor it or leave a slippery surface film behind.

An infographic displaying the Concrete Surface Profile (CSP) scale, ranging from 1 (smoothest) to 9 (roughest). The chart helps in understanding the texture requirements for various epoxy applications.


The average distance between the surface's peaks and valleys as viewed from a cross-section of the concrete surface. The criteria are graded on a scale of 1 to 9, with 1 being the smoothest and 9 being the roughest.


Milling is the grinding, cutting, pressing, or crushing of material in a particular machine. In this situation, the cutting tool is also fed with the rotational direction.

Why is this important?

Understanding the terminology used by epoxy coating companies like Tru-Grit is crucial for making informed decisions about your flooring options. The six terms we've discussed—Urethane, Polyaspartic, Metallic Epoxy, Silane Siloxane Sealer, Concrete Surface Profile, and Milling Down—are key components in the process of achieving a durable and aesthetically pleasing finish. Each term represents a specific technique or material that contributes to the overall quality and performance of your epoxy-coated floor.

By familiarizing yourself with these terms, you can confidently communicate with professionals and ensure that the services you receive meet your expectations. Whether you choose Tru-Grit or another epoxy coating company, this knowledge empowers you to make choices that enhance the longevity and beauty of your floors.

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