Types of Clean Room Systems
Softwall Clean Rooms
Flexible curtain wall clean rooms with rigid ceiling grid. Cost-effective solution for ISO Class 5-8 environments. Easy reconfiguration and expansion.
Hardwall Clean Rooms
Rigid panel construction for permanent installations. Superior performance for ISO Class 3-6 applications. Maximum contamination control and durability.
Modular Clean Rooms
Pre-engineered modular systems for rapid deployment. Standard sizes and configurations with customization options. Complete turnkey installations.
Pass-Through Chambers
Material transfer chambers between clean and non-clean areas. Interlocked doors prevent cross-contamination. UV sterilization options available.
Portable Clean Rooms
Mobile clean room units for temporary applications. Self-contained HVAC and filtration systems. Ideal for maintenance and emergency operations.
Custom Clean Rooms
Application-specific designs for unique requirements. Specialized layouts, materials, and environmental controls for specific manufacturing processes.
Applications & Industries
- Pharmaceuticals: Drug manufacturing, sterile compounding, research
- Electronics: Semiconductor fabrication, PCB assembly, testing
- Medical Devices: Implant manufacturing, surgical instruments
- Food Processing: Aseptic packaging, ingredient handling
- Biotechnology: Cell culture, research laboratories
- Aerospace: Component assembly, satellite manufacturing
ISO Clean Room Classifications
Clean rooms are classified by the maximum number of particles per cubic meter of air. We design systems to meet specific ISO 14644-1 requirements.
ISO Classification Levels
- ISO Class 3: ≤35 particles/m³ (≥0.5 μm) - Semiconductor manufacturing
- ISO Class 4: ≤352 particles/m³ (≥0.5 μm) - Advanced electronics
- ISO Class 5: ≤3,520 particles/m³ (≥0.5 μm) - Pharmaceutical manufacturing
- ISO Class 6: ≤35,200 particles/m³ (≥0.5 μm) - Medical device assembly
- ISO Class 7: ≤352,000 particles/m³ (≥0.5 μm) - General manufacturing
- ISO Class 8: ≤3,520,000 particles/m³ (≥0.5 μm) - Packaging operations
Softwall Clean Room Systems
Softwall clean rooms provide excellent performance at lower cost using flexible curtain walls with rigid ceiling grid systems.
Softwall Features
- Flexible Walls: Clear vinyl or anti-static curtains
- Rigid Ceiling: Aluminum frame with HEPA filter integration
- Easy Access: Curtain panels can be moved for access
- Reconfigurable: Easy to modify size and layout
- Cost Effective: Lower initial cost than hardwall systems
- Quick Installation: Faster setup and commissioning
Hardwall Clean Room Construction
Hardwall clean rooms use rigid panel construction for maximum contamination control and durability in permanent installations.
Hardwall Benefits
- Superior Sealing: Gasket-sealed panels eliminate leakage
- Chemical Resistance: Panels resist cleaning chemicals
- Structural Integrity: Support equipment and utilities
- Fire Resistance: Non-combustible panel construction
- Long Service Life: Durable construction for permanent use
- Professional Appearance: Smooth, clean surfaces
HVAC & Filtration Systems
Complete environmental control systems maintain precise temperature, humidity, pressure, and air cleanliness.
Air Handling Systems
- HEPA Filtration: 99.97% efficiency at 0.3 μm
- ULPA Filtration: 99.999% efficiency for critical applications
- Laminar Airflow: Unidirectional or turbulent flow patterns
- Air Changes: 60-600+ air changes per hour
- Pressure Control: Positive pressure maintenance
- Return Air: Low-wall return for efficient air circulation
Environmental Controls
- Temperature: ±1°F or better control accuracy
- Humidity: ±2% RH control typical
- Pressure: Minimum 0.05" WC positive pressure
- Monitoring: Continuous environmental monitoring
- Alarms: Deviation alerts and data logging
Clean Room Components & Materials
All clean room components are selected for low particle generation, chemical resistance, and easy cleaning.
Wall Panels
- Hardwall: Aluminum honeycomb with melamine faces
- Stainless Steel: 304 or 316L for chemical compatibility
- Fiberglass: FRP panels for high-humidity environments
- Softwall: Anti-static vinyl or PVC curtains
Ceiling Systems
- Filter/Fan Units: Self-contained HEPA filter units
- Grid Systems: Aluminum T-bar ceiling grids
- Solid Ceilings: Flush-mounted filter installations
- Lighting: Clean room-rated LED fixtures
Flooring Options
- Epoxy: Seamless, chemical-resistant coating
- Vinyl Sheet: Heat-welded seams, conductive options
- Raised Flooring: Access to utilities, better airflow
- Terrazzo: Durable, non-porous surface
Personnel & Material Flow
Proper design of personnel and material flow prevents contamination and ensures efficient operations.
Gowning Areas
- Staged Gowning: Progressive donning of protective clothing
- Air Showers: Remove surface particles before entry
- Shoe Cleaning: Sticky mats and sole cleaners
- Hand Washing: Automated sinks and sanitizers
Material Transfer
- Pass-Through Chambers: Interlocked transfer systems
- Sterilization: UV, VHP, or autoclave sterilization
- Material Airlocks: Staged decontamination
- Conveyor Integration: Automated material handling
Validation & Testing
Complete commissioning and validation services ensure clean rooms meet specified performance criteria.
Performance Testing
- Particle Counting: Verify cleanliness levels
- Airflow Visualization: Smoke studies for flow patterns
- Recovery Testing: Time to return to specification
- Filter Leak Testing: HEPA filter integrity verification
- Environmental Mapping: Temperature and humidity uniformity
Maintenance & Service
Ongoing maintenance and monitoring services ensure continued clean room performance and regulatory compliance.
Maintenance Services
- Filter Replacement: HEPA/ULPA filter monitoring and replacement
- System Calibration: Environmental control system maintenance
- Cleaning Protocols: Specialized clean room cleaning services
- Performance Testing: Annual recertification testing
- Documentation: Validation records and compliance reporting
Regulatory Compliance
Clean rooms designed to meet FDA, cGMP, USP, and other regulatory requirements specific to your industry.
Compliance Standards
- FDA cGMP: Good Manufacturing Practice requirements
- USP 797: Pharmaceutical compounding standards
- ISO 14644: Clean room classification and testing
- EU Annex 1: European pharmaceutical guidelines
- IEST Standards: Institute of Environmental Sciences standards
Why Choose EHS for Clean Rooms?
With over 30 years of experience, we understand that clean rooms are critical to product quality and regulatory compliance. Our approach combines engineering expertise with practical operational knowledge.
Complete clean room solutions include: application analysis, regulatory consultation, engineering design, professional installation, validation testing, training, and ongoing maintenance support.
Frequently Paired Solutions
Controlled environments require specialized equipment and infrastructure to maintain cleanliness standards:
Clean room cranes maintain contamination control while handling materials.
Modular buildings create enclosed office and production space within facilities.
Industrial curtains partition dock areas and control temperature loss.
Specialty conveyors handle unique products that require custom transport solutions.
Production workstations integrate material delivery with ergonomic work surfaces.
Wire partitions create secure caged areas within your storage facility.
Industries We Serve
Clean, controlled environments for pharmaceutical manufacturing and storage.
Sanitary and efficient processing and distribution systems.
Precision handling and storage for aerospace components and assemblies.