Gregory Katz proves that three times is a charm with his trio of concrete homes, which challenge the status quo in this quiet Johannesburg suburb. The kitchen shines in a bright yellow. Photo by: Elsa Young  Photo 1 of 8 in How To: Indoor Concrete Floors by Jacqueline Leahy from Big Moves for Small Spaces

How To: Indoor Concrete Floors

1 of 8

Gregory Katz proves that three times is a charm with his trio of concrete homes, which challenge the status quo in this quiet Johannesburg suburb. The kitchen shines in a bright yellow. Photo by: Elsa Young