Protective coatings in AI data centers must address water ingress, power efficiency, and waste heat management beyond traditional finishing applications.

Technology is accelerating rapidly, with AI driving most of the innovation. That acceleration demands more compute power, which places unprecedented pressure on the data centers engineered to provide it.

These facilities—increasingly called AI factories—are purpose-built from the ground up to handle that demand. Specialized servers, advanced cooling systems, uninterrupted power supply infrastructure, and more form a complete stack designed to ensure zero downtime and achieve the industry standard of five 9s availability: 99.999 percent uptime, or approximately five minutes of downtime per year. Every decision made in constructing these facilities matters, including coatings.

Here is where the mindset needs to shift. Coatings are too often treated as a finishing touch—something considered at the end of a project primarily for aesthetics. In a data center, that thinking is a liability. Coatings are functional, foundational elements that actively protect the facility around the clock, working every day to maximize operational readiness and efficiency. They are not finishes; they are risk-control systems for uptime.

With that in mind, there are four critical coatings considerations every data center decision-maker needs to address before the next build.

**Build for speed and modular construction**

Modular construction is increasingly common in data center design, and for good reason: faster build timelines and greater project flexibility. However, that speed advantage disappears if coatings cannot keep pace.

Materials must be engineered for fast cure times and high durability so they do not become a bottleneck. For exterior steel, inorganic zinc-rich coatings offer a cost-effective alternative to hot-dip galvanizing. The key advantage is that even if the coating is scratched during modular construction or transport, the zinc actively protects the exposed steel—a non-negotiable durability when components are moving across job sites.

Inside modular units, a high-performance direct-to-metal polyurethane provides a durable, cleanable finish on walls, doors, ceilings, and rack supports that withstands transport, installation, and long-term use. For steel skids in direct contact with soil, a fast-setting urethane lining creates a barrier against moisture and corrosion.

Coatings must also meet the speed and throughput demands of OEM production environments, as modular equipment often arrives with factory-applied coatings already in place. The right coating choice directly accelerates manufacturing output and shortens time-to-delivery for critical data center components while still delivering the durability needed to withstand fabrication, handling, transport, and installation without field rework.

**Eliminate the static discharge threat early**

The demands inside an AI data center are unlike those in most facilities: sensitive electronics everywhere, constant power draw, and zero tolerance for interruption. In that environment, the smallest static discharge can shut down an entire facility.

Electrostatic discharge control must be addressed early, not retrofitted. In server halls, an electrostatic dissipative urethane topcoat controls static discharge while delivering a durable, chemical-resistant finish. This is especially critical in rooms housing main switchgear and power distribution units, where uninterrupted power is paramount. Getting the flooring specification and OE-coated components—such as enclosures, racks, and panels—right in these spaces is a straightforward way to eliminate significant risk.

Polished concrete may appear adequate, but it lacks inherent electrostatic dissipation unless treated, typically falling outside ANSI/ESD S20.20 control ranges. ESD events as low as less than 100 volts can damage sensitive electronics.

**Protection across the entire campus**

Each area inside the facility requires appropriate protection.

*Battery storage:* These chemically aggressive environments, where an acid spill can prove catastrophic, need durable flooring that withstands potential acid drips and electrolyte spills while handling heavy equipment loads like battery racks and forklifts.

*Cooling towers:* Critical to heat rejection and continued operations, cooling towers create a constantly wet and chemically aggressive environment requiring a lining that protects structures from constant moisture and chemically treated water that corrodes unprotected steel.

*Electrical rooms:* These spaces maintain uninterrupted power to the data center and must have robust corrosion protection to keep the facility online.

*Mechanical rooms:* These spaces house piping and valving that support cooling throughout the data center and require protection against pipe condensation and consistent foot traffic.

*Fuel tanks:* Protection for these critical energy assets requires corrosion resistance that extends their operational life.

*Roofing:* The roof is the first line of defense for every mission-critical asset in the building and must be treated as such. Unpredictable weather does not care about uptime commitments.

*Server and data halls:* The heart of the data center requires floor and wall protection against a wide range of potential contaminants that could cause hardware failures.

*Water treatment systems:* These systems control corrosion and contaminant growth in the cooling water loop and need linings that provide protection and extend asset life against the treatment chemicals in use.

Corrosion costs industry billions annually. This is where thinking beyond the initial build pays off. The coatings strategy put in place on day one must last through the full facility lifecycle, including the maintenance phase. What protects the building at construction must still be performing its job years later.

**A global specification partner that delivers**

Hyperscale data center development is happening across North America, Latin America, Europe, Asia, and beyond. The coatings strategy behind those builds must work at that same scale: consistent specification alignment across markets, high-volume supply that does not falter under large-scale demand, and localized technical support on the ground when needed.

This consistency must extend to both field-applied and OE coatings. Global data center builds rely heavily on equipment manufactured in multiple regions, making it critical that OE coating specifications are standardized and aligned with field systems to ensure performance consistency regardless of where components are fabricated.

Material availability matters significantly when construction timelines are aggressive and delays are not an option. Global supply capability must extend across structural steel, modular systems, and critical infrastructure components—the full scope of what these projects require.

Beyond the build itself, data center owners and operators need a partner that can support the broader data center ecosystem, including the water and power infrastructure that keeps these facilities running.

A coatings partner for hyperscale AI data center work must operate at hyperscale as well, with consistent global specifications, localized technical service and field support, and the supply capacity to back it all up. That combination is what makes a specification actually executable across a global portfolio.

**How to get it right**

Integrating these considerations into the next build comes down to three things. First, start early—coatings decisions belong in the initial design phase, not the final stretch. Second, work with an expert partner who can navigate material selection and application for the specific demands of an AI data center environment. Third, think lifecycle.

The right strategy does not just get the building constructed and opened; it keeps it running. AI data centers are purpose-built for some of the most demanding workloads in the world. The coatings protecting them should be purpose-built too. A fully aligned coatings strategy ensures that every surface, whether coated in a manufacturing facility or in the field, works together to deliver long-term protection and uptime.