CBD Cleanrooms

Medicinal Cannabis grow room production environment

Cannabidiol is widely known as CBD. The natural remedy may be used for common ailments such as pain relief and anxiety or as a food supplement with no medicinal claims. CBD is one of over 100 cannabinoids, which are chemical compounds found in the cannabis or marijuana plant and is different to the cannabinoid Delta-9-tetrahydrocannabinol (THC). Products containing THC for medical use are always categorised as medicinal cannabis.

There are two areas in which cleanrooms can support the production of cannabis-derived products.

  • CBD extraction and oil production 
  • Medicinal cannabis cultivation, collection and processing into an Active Pharmaceutical Ingredient (API) or a Medicinal Product

Cleanroom considerations for CBD extractors

For CBD extraction and oil production, manufacturers must work with the MHRA to satisfy the legal requirements of the Human Medicines Regulation Act 2012. Different parts of a production process will require different levels of environmental control. For example, CBD extraction will require tighter levels of control than the drying and packaging stages.

Non-medicinal products such as CBD are currently exempt from requiring a product licence and can be manufactured in non-GMP cleanrooms. However, if your business has plans to obtain a product licence in future, it would be worth investing in a cleanroom that adheres to GMP cleanroom design principles.

Case Study

Medicinal cannabis case study

Cleanroom considerations for medinical marijuana

Medicinal marijuana products, like all medicinal products, must have either a Product License (Marketing Authorisation or MA), an Investigational Medicinal Product (IMP) licence for use in Clinical Trials or supplied as a Special under Regulation 167 of the Human Medicines Regulations 2012, and must be manufactured according to EU GMP guidelines.

For medicinal cannabis cultivation, a cleanroom envelope with the right HVAC system can create a controlled environment with the optimum growing conditions for the production of the right cannabinoids. Cultivation areas, grow rooms or hydroponic grow systems can be linked to GMP areas for processes such as drying, processing, packaging and storage of the plant material.

MHRA-compliant cleanrooms

Cleanrooms for non-medicinal applications

GMP Cleanrooms ISO cleanrooms

To be compliant with GMP guidelines, cleanrooms must control the level of airborne particulate, plus fulfil additional facility design requirements, e.g., fully-flush panels.

Medicinal products will need to be produced in a GMP cleanroom. 

ISO 14644-1 cleanrooms control the levels of airborne particulate and other environmental parameters—such as humidity and light—making them suitable for cultivation.

Non-medicinal products may be able to be produced in ISO cleanrooms. 

GMP Cleanrooms

ISO Cleanrooms

We can support you with an end-to-end service—from the design of your new CBD oil or medinical marijuana production, facility to validation testing and certification.

Speak to us today about your CBD cleanroom or medical marijuana project.


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