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Old 08-04-2006, 09:45 AM   #1 (permalink)
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Rockcrawling course

Some one knows the thickness on the upper layer of this courses? What in underneath the surface?

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Old 08-04-2006, 09:47 AM   #2 (permalink)
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The underneath was styrofoam blocks.
I don't know the thickness, but it wasn't thick enough. We chewed through it pretty quick.
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Old 08-04-2006, 11:59 AM   #3 (permalink)
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Looks like an old Putt Putt Golf course
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Old 08-04-2006, 01:04 PM   #4 (permalink)
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Quote:
Originally Posted by jbcruiser
The underneath was styrofoam blocks.
To add to this...what I had heard was it wasn't regular styrofoam...at least it was RUMORED to be a harder, less brittle, type of styrofoam. It may not have even been listed as the word styrofoam, but instead a slightly different form of foam that is SIMILAR to styrofoam but with a different name.

Then again, that was RUMOR...it may have been plain-old styrofoam.
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Old 08-04-2006, 01:47 PM   #5 (permalink)
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I assume the material was intentionally spread thinner as it was only dseigned to be used once and then had to be taken apart and thrown out.
There was also no rebar used in the construction of those obstacles.

I heard rumors that the surface itself was Jello Brand ® pudding, heat treated to a crackly crunch under the Vegas desert sun, but you know what they say about rumors . . .
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Old 08-04-2006, 03:03 PM   #6 (permalink)
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get 1 million gallons of expanding foam mixed with wood shavings, then coat the whole thing with concrete.
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Old 08-04-2006, 04:15 PM   #7 (permalink)
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It was closed cell polystyrene or closed cell polyurethane but if you are on a budget straw bayles and gunnite work well. we have actually hand packed small stuff before. just get 10 of your crawling buddys and have the truck dump all 10 yards of pump mix,as high up as he can then spread it with flat shovels and hand trowels. it ends up looking like 10 rednecks did it but you can sure crawl the crap out of it and it holds up pretty well.

here is the last thing we hand packed.


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Old 08-06-2006, 11:25 AM   #8 (permalink)
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great. But someone knows about the thickness needed?
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Old 08-07-2006, 10:56 AM   #9 (permalink)
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3" will hold up if there is chicken wire in there but if you want it to be permanent you need rebar with in the middle of that 3 to 4". if it is for something temporary then use some fiber ad mix and make it around 2 to 3" with it being heavier on the edges and the high trafic areas.

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