Why Material Specifications Matter in Hyperscale Projects

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Insight and analysis on the data center space from industry thought leaders. Why Material Specifications Matter in Hyperscale Projects As hyperscale data center timelines tighten, companies must assess how building material decisions could introduce schedule, sequencing, and rework risks. When an executive from a major hyperscale cloud provider told me that a single day of delay on one of their data center projects costs $14 million, it reframed how I think about project risk. That figure represents the pressure that now defines hyperscale data center construction. Demand driven by AI workloads, cloud expansion, and digital infrastructure investment has compressed project timelines to a degree that would have seemed unrealistic a few years ago. Developers are racing to bring capacity online, leaving far less tolerance for delays, rework, and sequencing hold-ups during construction. In this environment, material decisions that once might have been chalked up to client preference are increasingly being evaluated as potential schedule and operational risks. Each building material is now a critical component that must perform reliably and consistently to keep the project on schedule. Rework remains one of the largest sources of avoidable schedule loss on complex builds. Structural steel coatings, applied early in the construction phase, can help reduce some of those risks. Selecting the right coating system not only supports code-compliant fire protection but also helps protect finished beams from damage caused by transportation and installation. High-productivity coatings also accelerate shop throughput, enabling faster application and curing so steel moves through fabrication more efficiently. In this context, coatings become a control point for schedule performance. High-performance coating systems give project teams more flexibility to maintain progress across varying site conditions while reducing the likelihood of rework. Why Coating Decisions Happen Earlier Now The most effective project teams consider coating decisions during preconstruction rather than treating them as a procurement afterthought. That shift has real consequences for how a project sequences and how fast it can move. Shop Application vs. Field Coating Application One early decision involves whether a shop or field application better fits the project’s schedule and construction sequence. Both approaches can deliver strong results. Shop applications offer some advantages in consistency, such as factory settings, verified dry film thickness, predictable cure times, and quality control checkpoints, which can be harder to coordinate in the field. When steel arrives on site already coated and inspected, project teams remove one variable from an already compressed sequence. But for projects where field application makes more sense logistically, waterborne systems have made on-site application more practical, with formulations that support better working conditions and help reduce environmental impact in occupied or partially enclosed environments. Direct-to-Metal vs. Multistep Coatings The second question is how many steps the coating system requires. Direct-to-metal intumescent systems – coatings that workers can apply without a separate primer – reduce application steps without sacrificing fire performance. Fewer steps, such as using a coating that doesn’t require a topcoat, mean fewer mobilizations, fewer inspection hold points, and faster handoffs to the next trade. For project teams evaluating systems early in design development, specification decisions made months before steel fabrication directly affect on-site schedule performance. The Durability Factor The third question is durability, and most preconstruction conversations give it too little weight. Fire protection coatings must survive transport, handling, and construction activity well before the structure is erected. On modular data center builds, where teams fabricate structural sections offsite and assemble them at pace, coatings absorb loading, stacking, and transit stress that can require repair before commissioning. Rework on assembled or stacked modules proves difficult and sometimes impractical. Selecting systems with demonstrated mechanical resilience eliminates that risk at the source rather than forcing teams to make repairs on site. These challenges already play out in fast-moving data center projects around the world. At hyperscale, even minor rework or sequencing delays can quickly become schedule risks with financial consequences to the tune of $14 million a day. Modular Data Center Scaling Under Pressure In one modular data center program in Latin America supporting hyperscale end users, production capacity reached as many as 36 modules per month, with modules requiring passive fire protection needing consistent, reliable coating application. At that production pace, even small inefficiencies in coating application created measurable schedule pressure. The original coating system relied on multiple primers and topcoats, which introduced complexity across procurement, application sequencing, and quality control. Each additional step increased coordination requirements and the risk of rework. By selecting a simplified coating system, the project team reduced the system from nine products to three. The result was a measurable reduction in application complexity and labor requirements, improved cost efficiency per square meter, and stronger supply continuity to support rapid scaling. What Faster Commissioning Requires The push for faster commissioning in hyperscale construction is not just about moving faster. It depends on removing the conditions that cause projects to slow down. As noted earlier, many of these delays stem from avoidable rework. On structural systems, many of these risks are tied to how coating systems are specified and applied. This includes achieving the correct film thickness, ensuring compatibility between system components, maintaining coating integrity during handling, and working within environmental limits on site. The key point is that these risks are predictable and manageable. When coating systems are selected early with performance in mind, they help reduce common sources of delay. Fast cure response, simplified application steps, compatibility across system layers, and durability through transport and construction all support more reliable execution in the field. The companies performing best in hyperscale construction recognize this shift. Material selection is no longer just a cost decision. It is a schedule reliability and risk management strategy. When delays carry a significant financial impact, the priority becomes selecting systems that support consistent and predictable progress. That decision starts earlier in the process than many teams currently consider. It plays a direct role in achieving on-time commissioning.