COSHH and vehicle spray painters - key messages

Substances hazardous to health in vehicle spray painting include:

Other substances hazardous to health in motor vehicle repair include:

Example: Spray painting with isocyanate-based two-pack top coat

Isocyanate can cause asthma. You must reduce exposure to isocyanate as far below the WEL of 0.02 mg/m3 (8 hours) and 0.07 mg/m3 (15 minutes) as reasonably practicable. You normally need to use health surveillance.

Isocyanate can also cause dermatitis.

Control measures include:

Help in identifying the right controls is on the MVR COSHH essentials web page. Control information for isocyanate appears in:

Visit the HSE MVR website for more information.


Your employer provides equipment to protect your health, such as:

You have a duty to use these properly and co-operate with any monitoring and health surveillance.