On-Site Assessment and Training

This is the route for existing membrane installers who have a full knowledge of all the National Occupational Standards and are fully conversant with preparing to install and actively install a gas membrane, welding methods and detailing of membranes. As well as knowledge of the materials used, there functions and limitations.

Gas membrane installation


OSAT is conducted by one of two fully accredited assessors. Arrangements are made directly with the assessor who will coordinate visits with you to suit mutually satisfactory programme.


Please contact us for prices.


Along with the three mandatory units covering general workplace health and safety, handling and storing materials and productive working practices. Prior assessment of candidates will be required to confirm suitability for direct access to full assessment.

To apply for OSAT assessment please complete this application form.

BGA training courses
NVQ Level 2 membrane installation | SUP | OSAT


the standards for
high quality
geomembranes and
their installation

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