Modular Buildings & Ground Gas Meeting

CIRIA will hold a virtual meeting on 20th April 2021 from 2 pm to 4 pm to explore the challenges posed on assessing the need for, installing and verifying gas protection measures through presentations from Andrew Jackson, NHBC, Anthony Goode, Visqueen, Geoff Card, GB Card and Partners and Chris Pitchford, Rollalong.

This will be followed by discussions on risk assessment and what is needed to improve practice etc.

Modular building is widespread within the residential, retail, healthcare and education sectors and is becoming more common. Although CIRIA 665 and BS8485 have provided ground gas guidance for new build, there is no specific information for modular build and dealing with some sites with ground gas problems have been difficult.

If you are interested in attending, please contact Joanne Kwan at CIRIA (

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