Re: When and how to coat concrete driveway

On May 1, 10:47 pm, Ook <zoo...@xxxxxxxxx> wrote:
We finally got out driveway finished! Woohoo! soo...I'm looking for
info on coating it. What kinds of coatings are available? I'm mostly
interesting in prolonging the life of the driveway. I've seen concrete
here partially exposed to the rain, and the part exposed to the rain
eventually erodes. I'd like to prevent that if possible.

How long after pouring the concrete do I have to wait before coating
it? I've not found a lot of information on this subject, any good
sites or resources that you would recommend?

From what I remember about concrete roadways, you can put down a
penetrating-type waterproofing sealer just about anytime. There are
waterproofing coatings which can be applied the same day the concrete
is poured. In fact, that's how they lay down premium bridge decks
which represent about the most difficult applications for concrete in
a roadway.

I would stay away from Thompsons. It's one of the most cheaply made
but expensively advertised versions around. From what I've read
about it, it gets most of its protective effects from the wax
dissolved in the paint thinner.

I favor the silicone-based, acrylic-based products.

I agree with your concerns. When I spent some time working for a
bridge-deck contractor, they kept comparing concrete to sugar cubes,
i.e. porous and easily damaged by water. If you want to keep an
attractive surface under freeze-thaw conditions, you have to seal
those pores.

-Jason


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