Queensland try-scoring freak Israel Folau believes the Maroons can put the Blues to the sword with a punishing game three win for their first Origin whitewash in 14 years.

In a chilling warning to NSW, Folau said a confident Queensland would be more ruthless in the July 18 dead rubber at Suncorp Stadium.

The star Broncos winger cited lapses, dubious refereeing calls and some misfortune in both the opening 28-18 win and Wednesday night's 24-14 triumph as evidence

He said the Maroons would be focussed on starting as dominantly in game three and then keeping the Blues down.

"We had a good start to the game and a good lead before a couple of calls didn't go our way and they got back into the game," Folau said.

"Everyone is pretty confident going into the third game that we can get a good start to the game and hopefully keep it rolling.

"That was probably the problem in both the first one and last night's game, once we get a good start we have to try and hold them out and get that roll-on.

"We've already wrapped up the series and if we get a third one it would be something special, not only for us but the Queensland fans here. It will be something big I think."

The last time the Maroons won an Origin series 3-0 was when Paul Vautin led his team of underdog "Nevilles" to a shock whitewash in 1995.

Fellow Broncos back Karmichael Hunt was more cautious about thoughts of a final-game rout in front of an adoring home crowd in Brisbane.

"You never want to go into Origin games thinking you will put a huge score in because it normally ends up the opposite," Hunt said.

"Whatever team goes out there in 17 Blue jerseys will want to make amends for what's happened in the previous two games and we'll have to be on our game to win game three."

Folau was stunned to have scored Queensland's second try as they raced to an 18-0 lead by running between Blues front-rowers Justin Poore and Robbie Farah.

"I was pretty shocked myself when I scored that try, I think I was pretty lucky to get that try but credit goes to our forwards who dug deep and gave us opportunities out wide."

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