GMP Grade C & D Cleanroom Envelope Modules

Merit Holdings


CREST were pleased to work with off-site construction specialist and long-standing client, Merit, to deliver 14 no. EU GMP Grade C & D cleanroom modules for a new state-of-the-art pharmaceutical innovation facility.


Through a combination of traditional and modular construction practices, CREST were required to fit out the cleanroom modules off-site before they were transported to the facility in Darlington and integrated over two floors. Our expert team developed an architectural envelope specification that not only met the cleanrooms’ GMP conditions, but also took into account the intricacies with the logistics of the project.

Project Delivery

CREST’s dedicated installers utilised the Puracore cleanroom system, complete with flush doors, flush vision panels and a PET finish that could withstand the use of vapourised hydrogen peroxide (VHP) within its cleaning regime.

Once the modules were in situ, a final visit to the Darlington facility allowed our team to quality-check and cover finer details within the build.

The team worked tirelessly to ensure that the design and material lead-in were co-ordinated to the build programme, achieving a turnaround time of 14 weeks.

Contact Mark Kendrick for cleanroom advice

CREST showed flexibility through such an intricate project.

Lee Duffield, CREST Contracts Director
Building UsePharmaceutical Manufacturing
Panel CoreAluminium Honeycomb
Panel SupplierPuracore
Panel Thickness50mm
Panel Requirements1100m²
ServicesFlexible Construction Approach
Specification Development Support
Unrivalled Product Knowledge
Expert Installation Processes