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RENKA
Cleanroom and HVAC mechanical installation / since 1995

Cleanroom and HVAC installation for semiconductor fabs, data centres and pharma.

Since 1995. 100+ named end-clients in 15+ countries. Live-fab experience, cleanroom-trained crews, IQ/OQ-ready handover documentation, shutdown windows held to the agreed day.

Anonymised cleanroom photograph: semiconductor front-end fab corridor with cleanroom crew on the way to the production area.
Semiconductor front-end cleanroom, ISO 14644-1 Class 5
Cleanroom classes
ISO 14644-1 / 1-9 GMP A-D
Filtration
EN 1822 H13-U16
Handover documentation
IQ / OQ / PQ ALCOA+ compliant
Crew mobilisation
10 - 100+ in 2-4 weeks
Three points where our work can be measured

Cleanroom discipline, documentation, schedule.

Construction quality is the minimum bar. What sets our work apart on Tier-1 EPC projects are three points - all three measurable at handover.

Cleanroom discipline

Crews with live-fab experience.

Cleanroom protocol and airlock discipline are trained before anyone steps onto a site for the first time. FOD avoidance is standard practice. The NCR record is low and documented.

Documentation

IQ / OQ / PQ-ready handover.

ALCOA+-compliant weld records, particle count reports to ISO 14644-3, as-built drawings and pressure cascade validation. Documentation is part of the deliverable.

Schedule

Shutdown window to the day.

Mobilisation with named site management, headcount plan by month and a full resource plan. The scheduled shutdown window is held to the agreed day.

Industries

Where our crews are on site.

2026 focus: EU Chips Act semiconductor fabs and hyperscale data centres in the EU. Pharma Annex 1 retrofits, automotive paint shops, large chemicals and aerospace as complementary verticals.

End-clients / confidential

100+ named end-clients since 1995.

AMD
AMD
Semiconductor
STMicroelectronics
STMicroelectronics
Semiconductor
Micron
Micron
Semiconductor
Siemens
Siemens
Industrial
Siltronic
Siltronic
Semiconductor
Infineon
Infineon
Semiconductor
Bosch
Bosch
Automotive / Industrial
Philips
Philips
Healthcare / Electronics
NXP
NXP
Semiconductor
Zeiss
Zeiss
Optics / Lithography
Intel
Intel
Semiconductor
Mercedes-Benz
Mercedes-Benz
Automotive
BMW
BMW
Automotive
Audi
Audi
Automotive
Porsche
Porsche
Automotive
Volkswagen
Volkswagen
Automotive
Pfizer
Pfizer
Pharma
Merck Serono
Merck Serono
Pharma
Nestlé
Nestlé
FMCG
imec
imec
Semiconductor R&D

Overview of all 100+ clients: End-client references.

Prequalification

Dossier on your desk in 60 seconds.

Standard package for EPC procurement: certifications, ISO 14644 capability, safety and insurance status, anonymised references, deployment geography. PDF, German or English.