BEN Plowright's family began looking for their son and brother more than a week ago, but a widespread police search involving up to 250 people has not found a trace of him.

Hundreds of volunteers arrived at Perth Primary School on Saturday filled with hope that they might find some evidence of the Launceston man who was last seen two weeks ago leaving a house at Perth.

People from the Carrick social soccer and Rotary clubs, where Ben's father, Steve, is a member, friends of his sister Sally, former colleagues and community members from Campbell Town all turned up to help find him.

Perth resident Arthur Talbot, who lives in the street where Ben was last seen, said he had arrived to support the family, whom he had known for 20 years.

"You can't appreciate or understand what they would be going through," he said.

"There is no way that you could put yourselves in their shoes.

"Hopefully something that might give them some closure will come out from this (search), because without some definite proof of something, whatever it might be, you are in limbo.

"And that is the worst scenario."

Peter Norton, who has played soccer with Steve for 15 years and has known Ben since he was young, said he could not just sit at home and do nothing.

Fellow soccer player Reece McDowall said games had been cancelled so that more people could join the search.

Other volunteers from Campbell Town, such as Karen Liston, who scoured roadways and bushes near Launceston Airport, spoke of how sad the situation was.

"We just want to bring him home and help his Mum and Dad," she said.