There's a growing call for mental health support to be written into government construction contracts to protect workers who hit the wall.
Construction has the highest rate of death by suicide of any industry in the country, with workers around twice as likely to take their own lives than to be killed in a workplace accident.
On average the industry loses one worker each week to self-inflicted death.
Construction firm Naylor Love chief executive Rick Herd spoke to Corin Dann.
