Shares in Decmil fell 11 per cent after posting a $3.9 million loss for the half-year, alongside a lift in revenue, as the company picks up more work but grapples with labour availability and contract disputes.

Shares in Decmil fell 11 per cent after posting a $3.9 million loss for the half-year, alongside a lift in revenue, as the company picks up more work but grapples with labour availability and contract disputes.