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J. V. 10-03-2007 11:20 AM

Sealing Concrete
Hello folks. First post here.
My wife and I are pressure washing my concrete driveway and plan to repair some small but long cracks. I also want to seal it. The pourous nature of the concrete is harboring dirt and algae. It smells like we are cleaning our aquaruim....LOL

Is sealing 5 year old concrete worth the time and money?

I have a full five gallon container of sealant left over from the install
(5+ years). Do you think it is still okay to use it? It's a petroleum base sealer, as we had to leave the house when the basement was sealed.

Should I do this on a cloudy day as to allow the sealant not to dry to fast?
Cool surface or hot?

Any help would be appreciated.......Thanks John

fierysun 10-03-2007 02:35 PM

From what I've read on sealing older concrete, the cleaning and preparation is one of the most important things. I'm going to epoxy my 25 year old garage floor early next year (hence the reading on concrete sealers and such).

If it were me, I'd go to the company's website and look for some best practice tips.

You might want to check the specs on the sealant to find out drying temperature ranges.

fierysun 10-03-2007 02:40 PM

What product are you using? BTW

J. V. 10-04-2007 01:01 PM

The sealer can has no label. It was delivered with the concrete. It may have come off or never had a label.

I though about sealing a small inconspicuous area and see.

Buying a 5 gallon container of sealer is about $100 from the concrete company.

I called them about the remaining sealer and of course they want to sell me another one.

fierysun 10-04-2007 03:19 PM


Originally Posted by J. V. (Post 66288)
I though about sealing a small inconspicuous area and see.

That's a great idea. This would let you figure out drying time, and number of coats to put on. Are you going to try to apply it with a roller or sprayer?

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