Re: Rough dusty concrete

Posted by da.bees on March 06, 2013 at 18:06:36 from (72.181.183.240):

In Reply to: Rough dusty concrete posted by Hoof print on March 06, 2013 at 17:02:24:

Concrete is certainly not my field of expertise but I have dealt with a couple of dusty pads. I don't think grinding the surface will improve anything if your complaint is dust. There are a few reasons concrete can be dusty with improper finishing accounting for most cases. There are times that it is difficult keeping up with the pour as it cures. Then there are other times it seems like you are wasting a lot of time sitting and waiting on time for the next finishing step. Many times when a non-skid surface is desired,the mud is screed,float and broomed or left as is. Big mistake. Regardless of final finish desired,you should not skip a step or rush to final trowling. It sounds like a waste putting the steel to it then turn around and broom but troweling brings the portland to the surface and makes it tough and dust free.

If I understand your problem,I would pressure wash then skim coat with sand mix rich in portland then carfuly control drying.

I have never tried it but have been told thre are resins available which help with dusty concrete.

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