Hi! This is actually our 4th of July project. We're using a product called "SureBond" - the gloss sealer with polymeric additive. We are sealing a paver patio with sand joints, the polymeric additive is there to lock the sand together into an almost mortar-like substance. The gloss will give the patio not quite a 'wet look' - but slightly darker than when the patio is bone dry.
SureBond was the product that the manufacturer of our paver recommends, so that's what we're using. Its a concrete paver product, so I'm certain SureBond or similar product would work for regular concrete - you just wouldn't need the type with the polymer as you have no sand joints.
The product is supposed to seal the pavers/joints, but still allow for normal breathing of the product.
Fairly easy to do.
Tonight - power wash patio.
Tomorrow thoroughly clean patio with cleaner diluted in water (specific cleaner from Surebond) hose off.
Let dry for 3 days.
Put sealer in pump sprayer - spray until pooling, use squeegee to spread, spread excess into next area to be sealed.
Wait one day for foot traffic (dries to touch in 30 minutes, recommended to let cure for 1 day before major foot traffic).
We also epoxy finished our garage floor 2 years ago (when we moved in) - very similar. Power Wash. Let Dry. Acid wash. Rinse. Let Dry. Garage Floor Paint/Epoxy. Let Dry.
Just requires time/effort.
Good luck - we're sealing our driveway later this summer - so more of the same!!
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