Bob Brown Foundation blockaded McKay Timber

Twenty-seven protesters allegedly chained themselves to entrance gates and machinery objecting to native forest logging.

However, politicians and interest groups have blasted the organisation for spreading false information and halting people's right to work. Tasmanian Forest Products Association chief executive Nick Steel labelled the protest action an invasion and called on Tasmania's political minds to take action.

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"All of their [McKay Timber] wood is sourced from forests approved for harvesting by both the Greens and Wilderness Society in 2013," Mr Steel said.

"We urge both the government and Labor Party to work together, and find a way to pass stronger workplace protection laws through the Parliament."

Both Lyons Labor MHR Brian Mitchell and the party's state forestry spokesman Shane Broad condemned the "arrogant and radical" BFF.

"These people think that just because they are passionate about their cause, that they have the right to break the law and put the livelihoods of Tasmanians at risk. Well, they don't have that right," Mr Mitchell said.

Meanwhile, Liberal Resources Minister Guy Barnett called on Labor to support its proposed workplace protection laws.

"It beggars belief that Labor would come out and condemn the Bob Brown Foundation's most recent protests, yet refuse to support laws that are designed to allow hard working Tasmanians to earn a living for their families without fear of dangerous protests occurring in their workplace," he said.

"Hopefully Shane Broad's statement today is an indication that Labor has backflipped again this week - like last week's reversal on 11/12 extension schools - and will now support our priority Workplace Protection legislation, which they previously tried to block.

BBF campaign organiser Lisa Searle said the foundation's crusade would not end until meaningful action was taken.

"McKay's are accepting logs from contentious native forests including old-growth and rainforests and this has to stop," she said.

"As long as there are mill operators taking these logs, our irreplaceable old-growth forests will keep falling.

"Today's protest follows on from recent protests in the native forests of Wentworth Hills, including when four defenders were arrested last week shutting down old-growth logging. Our takayna/Tarkine blockade is currently defending rainforests and the native forest wood chip mill Artec was shut down earlier this month."

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