I have a small basement that has two levels, one about 3 inches lower than the other. There is a 4 inch concrete berm between the two levels...because the higher level floods a little bit when it rains. The basement floor is old concrete, and the concrete berm was placed on top of the floor more recently, probably just built between two pieces of wood, with little preparation. . Recently, water has been leaking under one side of the concrete berm and I'd like to find a way to stop the leak temporarily but I don't know what kind of concrete, or sealer would work best in this situation.. There is no obvious crack, so I'm thinking I'd just smooth the concrete or sealer along the joining area between the two planes. of concrete . I have some Quikrete, would it work as a temporary seal if I smoothed it on without grinding out a slot . There is rain coming in a few days so a temporary fix would be fine...or is Quikcrete without grinding a slot a waste of time? I'd appreciate hearing any suggestions or ideas for a temporary fix for this problem.

I need to be able to patch very small drill holes (5mm) into various colored brick, concrete, stucko, hardy board, etc. Various surfaces but most seem brick or concrete based. Any recommendations on a patching product? I'm located in Ontario Canada so cold winters and hot summers. My initial thought it to use a mortar or concrete patch compound, try to find similar colored bricks, crush them to dust, mix dust with mortar until color match is achieved. Or mix paint / dye with the mortar. Really looking for advice, thanks!