09/10/2026
Choosing between a hardwall and softwall cleanroom comes down to one question: how much environmental control does your process need at peak use, not at rest.
Key factors before you specify a wall system:
✅ Hardwall panels give tighter pressure, temperature, and humidity control and support integrated filtration, pass-throughs, and airlocks
✅ Softwall curtains trade enclosure depth for faster installation, easier reconfiguration, and lower upfront cost
✅ ISO 5 allows just 3,520 particles per cubic meter versus 3,520,000 for ISO 8, a 1,000 to 1 swing that should drive the wall decision
✅ A softwall room with poor filter coverage can underperform, and a hardwall room with unsealed penetrations can fail just as easily
✅ Specify for the tightest condition your process must hold, not for an empty room at steady state
Full buyer's guide: https://labs-usa.com/blog/hardwall-cleanroom-vs-softwall-cleanroom/