What sand for a concrete mix ?

Postby ssjdc » Sun Apr 12, 2009 3:28 pm

I need to lay a 6in slab for a hot tub and would like to use the materials I have lying around. I have plenty of 20mm aggregate and soft sand. Normally sharp sand is used of course, but would it cause a problem if I used soft sand ? I will also be putting in a reinforcing mesh.
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Simply Build It

Postby rosebery » Mon Apr 13, 2009 9:54 pm

You know the answer already because its in your post. Building sand doesn't make good concrete.

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