Guys - I am about to finish power washing my 320 foot long - 15 foot wide concrete driveway - first time since we had it poured and I am not using chemicals - only water and pressure and it is coming clean...

What sealer type product do you recommend I use to “spray” on that will help reduce the amount of discoloration (mold and dirt) that accumulates over time.....Thanks Mark

When I had an asphalt driveway in Anchorage, I just used the most expensive Asphalt Driveway sealer at HD. In Alaska, you were lucky to get 1/2 the life (e.g. 3 or 4 years on 7 year sealer) claimed on the label before having to do it again.

They came in 5 gallon pails, and I had a several in my truck. A GD moose crossed the highway in a 65 zone and I slammed on the brakes. The 5 gallon pails surged forward, hit the front of the truck bed, and by the Grace of God the lids stayed on and they hit steel instead of the glass rear window.

THe ROI is not good on this stuff. I used what the pros use around here and its last about two years. The third year its fading by the fourth its just time to redo. The labor and material cost to keep this up is $$$.

If your fabuously wealthy then it's worth for the look enhancement you get. Otherwise spend your time having fun or getting rich. DIY this and your just well...

Check out Dryway and Toughcrete.

My old concrete drive turns black every year.
Last year's washer wand marks are the worse.
I give up ......

Spray Wet & Forget on it, wait a few months, and you're good for a few years before you'll need to do it again. The stuff actually seems to work, plus you don't need to power-wash beforehand, although that will help speed up the lightening effect.

I wouldn't bother sealing it with anything.

But everyone here (commercial paver companies) uses Surface logix products to seal concrete paver driveways, which would work on your concrete as well. It's a good product, would recommend going with one of the water based ones.