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Spray on conrete


DITDxCULT
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Spray Grancrete over a frame of Styrofoam, metal, wood—even woven sugarcane stalks—and in 20 minutes you have a waterproof, fire-resistant structure that has more than twice the strength of traditional concrete and can withstand extreme temperatures without cracking. A liquefied concrete-like mixture of sand, ash, magnesium oxide and potassium phosphate, Grancrete descends from a product developed to encase radioactive waste. And since it takes hours instead of weeks to build a home, it’s poised to provide low-cost, high-quality shelter to the estimated one billion people who lack it. $20.50 to coat 15 square feet - LINK

 

hmtechGrancrete_485.jpg

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Guest Sparoism

Oh, the fun I could have...

 

Is it skateable, I wonder? With a big enough crew, you could start digging a bowl early in the morning and be riding it by sundown.

 

Maybe we can start a 12 oz. park if anyone has land they're willing to donate.

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Guest Sparoism

Twenty bucks to cover a 3'x5' area...I'm sure the price will come down, but if you factor in what a cement truck($300+/day) and a contractor ($50+/hour) costs on top of what you actually pay for materials, it sounds reasonable.

 

I think this could be a boon for skateparks.

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