Thread: Tee Pad Costs
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Old 02-16-2018, 03:31 PM
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Quote:
Originally Posted by Steve West View Post
What is that, why do you want it, and how do you know if you got it?
Air entrainment is putting tiny bubbles in the concrete so that when exposed to freeze/thaw cycles it can expand and contract as needed. Different regions of the country have different industry standards on the amount of air entrainment required. Here in Michigan you need 5.5% - 8%. The way you know is to ask your supplier for it and most of them like repeat business and not lawsuits so they'll put it in the mix and their delivery tickets will show if it entrainment is in there. If you don't have it the concrete will spall and deteriorate in the winter weather. There are tests for it (I've done hundreds of these tests) where you can get a an air meter to test for it. For a disc golf course however, that's going to be WAY outside of the budget to hire an engineering firm to do those tests.

tl:dr - get concrete from a reputable supplier and make sure they know its for outdoor use much like a sidewalk.

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