GIB's value is hugely valuable in Aotearoa currently, and so are the people delivering it to building sites across Auckland - that's the message from workers who have walked off the job.

About 40 truck drivers and labourers are striking after pay negotiations with their employer, local delivery company CV Compton, stalled.

The workers say the cost of living is driving them into hardship while those further up the GIB-chain make big profits.

Amy Williams went to the picket line.