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Precision-engineered cleanroom enclosures, rapid-assembly workshops, and modular structural steel units manufactured to international ISO and cGMP standards.
In high-tech industrial manufacturing, life sciences, microelectronics, and advanced pharmaceutical production, maintaining an ultra-clean, tightly controlled environment is no longer just an operational preference—it is an absolute regulatory and yields-driven imperative. Traditional field-constructed cleanrooms often suffer from prolonged construction timelines, unpredictable moisture contamination, airborne particle leaks, and massive budget overruns. As a global leading manufacturer and exporter operating from our advanced industrial complex in Gebze / Kocaeli, Turkey, Nexa Prefab has engineered a dynamic generation of modular cleanroom units and prefabricated steel structural systems that systematically overcome these historical bottlenecks.
By leveraging factory-controlled prefabrication, computer-aided automated cold-roll forming, and pre-tested wall sandwich panel assemblies, modular cleanroom technology reduces on-site validation times by up to 65%. Every modular containment module we design complies with strict international standards, including ISO 14644-1 (Classes 5 through 8), EU cGMP Annex 1 standards, and US FDA 21 CFR Part 11 requirements. Whether deployed for aseptic filling suites, semiconductor fabrication bays, battery cell assembly, or containment laboratories (BSL-2/BSL-3), our turnkey structural and envelope solutions deliver unprecedented thermal resistance, airtight integrity, and structural resilience.
Why tier-1 global EPC contractors, bio-pharma developers, and industrial plant owners partner with Nexa Prefab as their preferred modular manufacturer.
Utilizing Tekla Structures and Revit 3D modelling, we design cleanroom envelope modules down to millimeter precision. Cable trays, HVAC ducting pass-throughs, and lighting cutouts are pre-punched at our factory, eliminating on-site cutting and particle generation.
Our sandwich wall and ceiling panels utilize PIR (Polyisocyanurate) or High-Density Rockwool cores enclosed in anti-microbial pre-painted galvanized steel (PPGI). Featuring fully coved silicon-sealed flush joints, our structures resist chemical decontaminants (VHP) and prevent bio-film accumulation.
Designed to integrate seamlessly with standard and custom AHU systems. Our modules maintain stable positive (+15 Pa to +45 Pa) or negative pressure cascades, paired with terminal HEPA H14 or ULPA U15 Fan Filter Units (FFU) delivering air change rates (ACH) up to 60+ changes per hour.
Every structural steel column, roof truss, and wall panel engineered at our Kocaeli plant undergoes non-destructive ultrasonic weld testing, coating thickness verification, and airtight compression testing before export authorization.
Containerized flat-pack bundling and modular skid systems optimize ocean shipping space to over 60 countries. Standardized bolt-together connections allow local installation teams to assemble multi-story modules up to 40% faster than conventional steelwork.
Compare key structural, thermal, and filtration metrics across our primary prefabricated cleanroom configurations:
| Performance Parameter | ISO Class 5 (Class 100) | ISO Class 7 (Class 10,000) | ISO Class 8 (Class 100,000) |
|---|---|---|---|
| Primary Target Application | Aseptic Bio-Filling, Photolithography | Pharma Packaging, Medical Devices | Industrial Assembly, Chemical Prep |
| Air Changes per Hour (ACH) | 240 - 480 ACH | 30 - 60 ACH | 10 - 25 ACH |
| Filtration Efficiency | 99.9995% at 0.12 µm (ULPA U15) | 99.99% at 0.3 µm (HEPA H14) | 99.97% at 0.3 µm (HEPA H13) |
| Wall Panel Insulation | PIR Core / Aluminum Honeycomb | PIR Core (50mm / 75mm) | Rockwool (A1 Fire-rated) |
| Surface Finish & Integrity | PET / Anti-Static HPL Coating | PPGI Anti-Bacterial Coating | Polyester Powder Coated Steel |
| Pressure Cascade Delta | +30 Pa to +45 Pa (Positive) | +15 Pa to +30 Pa | +10 Pa to +15 Pa |
The global market for cleanroom technology and modular industrial buildings is experiencing an unprecedented structural shift. Key technological drivers shaping the future of high-purity processing facilities include:
1. Shift Toward Ultra-Low Leakage & Smart Environmental Monitoring: Industry 4.0 IoT sensors are now directly embedded into modular sandwich panel raceways during factory assembly. Real-time differential pressure gauges, airborne particle counters, relative humidity monitors, and digital airflow transducers transmit continuous diagnostics directly to Central Building Management Systems (BMS), ensuring instantaneous compliance alerts.
2. Decarbonization & Circular Structural Steel Framing: Modern industrial clients demand low-embodied carbon construction. By utilizing high-strength cold-formed Q355B galvanized steel profiles, Nexa Prefab reduces structural steel tonnage by 20% while retaining structural rigidity against hurricane wind speeds and seismic forces. Furthermore, modular components can be disassembled, relocated, or reconfigured with near-zero material waste.
3. Hybrid Cleanroom Enclosures with Integrated Structural Roof Trusses: The historic disconnect between the structural steel building shell and the interior cleanroom ceiling grid has been eliminated. Modern modular cleanroom units feature walkable ceiling systems suspended directly from heavy-duty steel roof trusses, allowing maintenance technicians to service FFU filters, dampers, and electrical ballasts without entering the sterile clean zone.
Global procurement teams in pharmaceutical, biotech, and microelectronics sectors are re-evaluating their capital expenditure (CAPEX) strategies. Procurement trends over the next decade highlight key purchasing patterns:
• Turnkey EPC (Engineering, Procurement, Construction) Sourcing: Buying isolated cleanroom panels or structural components from fragmented vendors introduces dangerous integration risks. Buyers increasingly prefer single-source manufacturers capable of exporting complete kits—including structural steel framing, sandwich wall panels, HVAC ducting, hermetic doors, and double-glazed flush windows.
• Standardization of Rapid-Validation Modular Cassettes: Speed-to-market is the paramount metric for drug formulation and semiconductor scaling. Modular cleanrooms that feature standardized factory qualification (FAT) documentation allow pharmaceutical plants to achieve operational cGMP qualification in weeks rather than months, slashing opportunity costs.
• Total Cost of Ownership (TCO) Optimization: While initial purchase price remains vital, enterprise buyers prioritize thermal efficiency (U-factors below 0.022 W/m²K) and low static pressure duct design. Investing in precision factory-sealed panels reduces HVAC operational power consumption by up to 28% annually over a 20-year operational lifecycle.
Detailed engineering and procurement insights answered by Nexa Prefab's technical team.
Our units are engineered as air-tight envelope systems designed to seamlessly interface with HEPA/ULPA air filtration systems. Panel joints feature double-tongue-and-groove gaskets with silicon sealing, achieving leakage rates below 0.05 ACH at 50 Pa, meeting ISO Class 5 to 8 requirements once commissioned with appropriate air handlers.
For biopharmaceuticals requiring strict fire compliance and thermal insulation, PIR (Polyisocyanurate) or A1 non-combustible Rockwool is ideal. For microelectronics or dry rooms requiring ultra-smooth static dissipative surfaces, aluminum honeycomb or paper honeycomb cores coated with HPL/Anti-Static PPGI are commonly specified.
Yes. We specialize in designing large-span heavy steel frame warehouse shells that contain custom modular cleanroom units inside. This dual-layer approach provides structural weather protection, crane support, and logistics space on the outside while maintaining sterile controlled rooms on the inside.
Standard modular units and prefabricated steel structures up to 2,000 sqm typically require 25 to 35 days for factory precision manufacturing, inclusive of CNC roll forming, panel laminating, surface powder coating, and pre-shipment quality inspection at our Gebze plant.
All cleanroom panels and structural steel profiles are bundled using protective PE films, corner edge protectors, and heavy-duty steel skid pallets tailored for 40ft HQ shipping containers. Delicate items such as double-glazed flush windows and air shower units are packed in IPPC-certified ISPM-15 wooden crates.
Yes. Every project includes comprehensive 3D assembly drawings, piece-mark installation maps, and step-by-step video manuals. Upon request, we deploy senior site engineering directors or dispatch virtual real-time technical guidance teams to oversee local installation crews.
Our pre-painted galvanized steel (PPGI) and stainless steel (SUS304/316L) cleanroom wall panels are coated with specialized chemical-resistant coatings (such as PVDF or specialized anti-bacterial resin) tested to withstand VHP (Vaporized Hydrogen Peroxide), isopropyl alcohol, and heavy caustic washdowns.
All structural steel buildings are calculated according to local building codes (ASCE 7, Eurocodes, or Turkish Seismic Code). Primary frame members are fabricated from high-tensile Q355B/S355JR structural steel, rated for wind velocity up to 160 km/h and seismic zone 1 conditions.
Connect directly with our senior cleanroom design engineers and global logistics team in Kocaeli, Turkey for custom BIM design models, technical datasheets, and competitive direct factory pricing.