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Technical flooring, delivered directly
- ESD flooring, urethane cement, terrazzo, and polished concrete
- In-house W-2 installation crews and experienced field leadership
- National service coverage with project-specific staffing plans
- Testing, documentation, and defined project closeout
- Dedicated support for corporate procurement and multi-site contracting
Phone: +1 (844) 687-1961
Battery Manufacturing
ESD epoxy, conductive, and chemical-resistant flooring systems for lithium-ion battery manufacturing, dry room environments, electrode production, and gigafactory facilities. ANSI/ESD S20.20 compliant. Installed nationwide.
Battery manufacturing ESD flooring carries two hazards on one slab: static discharge that damages cells and line electronics, and ignition risk from the solvents run across cell production. The carbonate electrolyte solvents such as DMC are flammable at close to room temperature, and the NMP slurry solvent at the electrode coating line is combustible and handled hot. Where a flammable atmosphere can form, the specification typically moves to the conductive band, below 1.0×10⁶ Ω, reviewed against NFPA 70 Class I Division 2. Craftsman Concrete Floors installs conductive and static dissipative ESD epoxy for lithium-ion cell plants, EV battery flooring programs, and gigafactory construction nationwide, each system verified to ANSI/ESD S20.20 before turnover. In-house W-2 crews have installed industrial floors since 1999.
The dry room compounds the static problem. At dew points below -40°C, triboelectric charging accelerates because there is no ambient humidity to bleed charge off people and equipment, so the grounded floor becomes the primary discharge path rather than a backup. The coating specification also has to tolerate the NMP slurry solvent at the electrode line, and the resistance band has to survive that chemical exposure without softening. The project test plan and executed scope define the floor-resistance, person–footwear–floor, body-voltage, and closeout records assigned for the battery facility, including testing parties and acceptance criteria.
ESD Control and Ignition Risk in Cell Production
Battery plant ESD flooring is specified against two failure modes that rarely coexist elsewhere. A static event in cell assembly or formation damages product directly; a discharge near solvent vapor at the electrode line can ignite it. Which hazard governs each zone determines the floor class and the grounding architecture that follows. Over-specifying conductive plant-wide adds material cost; under-specifying near solvents is a code failure caught at the worst possible time, during electrical classification review.
Why Ignition Zones Default to the Conductive Band
Where flammable solvent vapor can be present, the floor typically must sit in the conductive band, below 1.0×10⁶ Ω, so charge drains to ground faster than it can accumulate to an incendive level. General electronics plants specify static dissipative flooring at 1.0×10⁶ to 1.0×10⁹ Ω as the default and reserve conductive flooring for exceptions, so a buyer arriving from an electronics spec should expect the band requirement to change on battery work. Electrical classification of the space, NFPA 70 Class I Division 2 in many electrode coating and electrolyte handling areas, drives the requirement alongside the facility’s ANSI/ESD S20.20 program. The full class-selection logic, including footwear pairing, lives on our conductive vs dissipative comparison page.
Solvent Exposure at the Electrode Coating Line
Electrode coating room flooring sees NMP slurry solvent and electrode slurry spatter that soften or stain coatings never formulated for chemical service. On battery work the chemical-exposure profile is written into the coating spec as a secondary requirement alongside the resistance band, and the two are checked together at submittal. Standard ESD epoxy fails the solvent exposure; standard chemical-resistant flooring fails the static requirement. The battery spec has to carry both, which narrows the qualified system list and makes the manufacturer data sheet review a submittal-stage task rather than an afterthought.
Dry Rooms and Zone-by-Zone Requirements
Dry Room ESD Flooring at Sub-Zero Dew Points
Dry room ESD flooring works against the worst static environment in the plant. At dew points below -40°C there is effectively no ambient humidity, so triboelectric charging on people, carts, and film runs far higher than in conditioned space and self-dissipation stops. The grounded floor becomes the primary control: a conductive or dissipative system tied to building steel through a conductive primer, tested per STM7.1 when assigned, after the selected system reaches its required test condition. Moisture contribution from the floor build-up itself is also reviewed in dry room submittals, since the room’s dehumidification load is sized against every material inside it.
Battery Manufacturing ESD Flooring, Zone by Zone
Lithium battery flooring requirements change zone by zone. Electrode coating and calendering carry the solvent and ignition load. Cell assembly and formation-and-aging areas are ESD-governed product-protection zones, closer to standard electronics practice. Module and pack lines add forklift traffic and point loads on top of the static requirement. A gigafactory ESD flooring package maps each zone to its band, its grounding detail, and its verification frequency, so one plant may run conductive floors at the coating line and dissipative floors through assembly. EV battery flooring programs at retrofit sites follow the same zoning logic, phased around live production.
Grounding, Verification, and Closeout
The Ground Path Is the Failure Point
Most failed ESD floors fail at the ground path, not the coating. A conductive primer thinned out of spec, ground straps spaced wrong, or a strap never tied to building steel leaves a floor that reads fine point-to-point and still cannot drain charge to ground. On battery plant ESD flooring the stakes are higher because a floating floor near solvent vapor is an ignition exposure on top of the yield problem. Craftsman installs the ground plane and straps to building steel, then performs assigned point-to-ground resistance testing per STM7.1 after the selected system reaches its required test condition.
S20.20 Verification and Audit Documentation
The facility ESD-control program and project documents define the applicable methods, testing parties, acceptance criteria, and records. When assigned, Craftsman supplies zone-mapped STM7.1 floor-resistance logs; separately specified STM97.1 and STM97.2 work evaluates the facility’s selected person–footwear–floor combination against its program limits. The agreed closeout package can support OEM and tier-1 qualification reviews. Our compliance-standards reference page covers each method in detail.
Phased Installation Around Live Cell Production
Phased zone-by-zone installation can work around live operations on retrofit battery projects. Cure conditions and assigned STM7.1 testing follow the selected manufacturer’s requirements and project test plan. In-house W-2 crews provide national service coverage; W-2 installers, not 1099 day-labor, hold the schedule when a formation area can only come offline between builds. Lead time runs 1-3 weeks from contract execution, driven by material availability. At scale the model holds: a 67,000 sq ft phased install for a hyperscale-grade Houston facility, moisture-tested, resistance-verified, and closed out without stopping the client’s operation.
ESD Flooring Gallery
Frequently Asked Questions
Battery plant ESD flooring runs $3.34-13.55/sqft installed depending on system type, thickness, and substrate condition, informed by experience across 250+ completed projects. Conductive systems for solvent areas and chemical-exposure topcoats sit toward the upper half of the range. At gigafactory ESD flooring scale, unit pricing is driven down by continuous placement and up by phasing and dry room access constraints, so budget from a zone map rather than a single blended number.
Conductive, below 1.0×10⁶ Ω, wherever flammable solvent vapor can be present, including many electrode coating and electrolyte filling areas under NFPA 70 Class I Division 2 review. Static dissipative at 1.0×10⁶ to 1.0×10⁹ Ω is the default in cell assembly, formation, and pack areas where the hazard is product damage rather than ignition. Most plants run both bands zone by zone, and the full selection logic is on our conductive vs dissipative page.
Grounded ESD epoxy, conductive or dissipative to match the zone’s classification, grounded through a conductive primer and straps to building steel. At dew points below -40°C static generation runs higher than anywhere else in the plant because there is no ambient moisture to carry charge away, so the floor is the controlling discharge path. When assigned, floor resistance is tested per STM7.1 after the selected system reaches its required test condition, and the floor build-up is reviewed against the room’s dehumidification load at submittal.
The facility’s ESD-control program and project documents define the required acceptance testing. The plan can assign STM7.1 to measure floor-material resistance and separately assign STM97.1 and STM97.2 for the specified person–footwear–floor combination. Testing occurs after the specified cure period. Craftsman delivers the test records assigned in the executed scope, with methods, parties, acceptance criteria, and records agreed before work begins.
Lead time runs 1-3 weeks from contract execution, driven by material availability, with placement phased zone by zone around live production. Each zone reaches the selected system’s required test condition before assigned STM7.1 resistance verification, so the schedule is built backward from when each area must return to service. Formation and dry room areas are typically sequenced last because their access and atmosphere constraints are tightest.
Yes. Craftsman provides national battery-manufacturing ESD flooring installation through directly employed W-2 crews assigned companywide for the actual project. Staffing, field leadership, equipment origins, travel assumptions, and schedule are project-specific; Craftsman’s offices are service and accountability points, not fixed workforce origins. A 67,000-square-foot ESD installation in Houston is a project-location example, not a statement that national crews originate in Houston or elsewhere in Texas.
Battery Manufacturing ESD Knowledge Center
Production areas and solvent-transfer hazards
Compliance Requirements & Testing
Systems & Selection
Project Planning & Delivery
Maintenance & Troubleshooting
Manufacturer ESD Flooring Systems
Case Studies
Craftsman Publishes 2026–2027 ESD Flooring Technical Guide
ESD Epoxy Flooring Case Study: 34,000 SF Dallas, TX
