I would make this repair using time-tested concrete epoxy. Years ago, it was hard to put epoxy in a crack. You’d have to mix its two thick components — a polyamide hardener and an epoxy resin ...

Use an old scrub brush to brush the concrete patch, rinse with plenty of clear water and allow it to dry. The acid will wash off the gray cement paste from the sand on your new patch, allowing you ...

But this two-part compound that consists of a resin and ... is using it to repair small dents in your vehicle. It adheres ...

DeFranco demonstrated the repair method using ... removing dust and concrete chips to allow full penetration of the leak-stopping polyurethane resin that he pumped into each hole.