Injured Wallabies props Matt Dunning and Sekope Kepu are each expecting an imminent engagement with a surgeon's knife, with the Australian Rugby Union ruling out any form of action after both men were injured on the controversial Wembley playing surface.

Dunning (torn Achilles) and Kepu (torn pectoral) were each injured in the same scrum during Australia's 18-11 win in their tour ending clash against the Barbarians at the same stadium.

The shifting surface was again put under the spotlight after repeated criticism of the turf since the rebuilt stadium was re-opened last year.

The Australian Rugby Union has ruled out any form of protest or request for compensation, with both players likely to spend significant time on the sideline.

"There's no doubt it's going to be a long road back, I will speak to my specialist today and look to get operated on early in the week," Dunning said at Sydney Airport on Saturday morning.

"I'm positive I'll be back, they say six to nine months for these things but I'm a fast healer, so maybe four to six.

"I felt my Achilles snap straight away, it felt like a gun shot, I've heard people explain it before and it felt exactly like that."

Asked about the Wembley surface Dunning said "There was no roots on the surface, it was just laying turf on the top of dirt.

"I think you could see that it wasn't really the best surface conducive to scrummaging, but that's the least of my worries at the moment.".

Dunning said he was devastated by the injury which will almost certainly rule him out of next year's entire Super 14 tournament, though Kepu still harboured some hopes of participating in that competition.

Kepu suffered his injury after his NSW colleague Dunning slipped on the surface and brought down the Australian front row.

"My arm has gone backwards and my shoulder had dropped forward and I heard the tear," Kepu recalled.

"I'm seeing the surgeon on Monday. It's likely there will be surgery and that's probably about three or four months."

Kepu said Dunning had noted even the day before the game that the Wembley surface was less than perfect.

"It was like carpet, it just rolled up it just sort of peeled backwards," Kepu said.

"We knew there was a bit of trouble there, but they said they would steamroll it that afternoon and the next morning, but obviously it didn't make any difference, it's just not a good surface for rugby really."

Kepu and Dunning's NSW and Australian colleague and fellow prop Benn Robinson said it was a shock to see both of his fellow front rowers fall within seconds of each other.

"It was a bit of an injury ward out there," Robinson said.

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