Grout is often treated as a minor detail, yet it plays a major role in how tiled bathrooms perform over time. In New Zealand homes, choosing the wrong grout can lead to cracking, staining, or persistent mould. This article compares cement, flexible, and epoxy grouts — and explains where each actually works best.

Large-format tiles promise fewer grout lines and a more seamless look, but in NZ bathrooms they also change how floors and walls behave. Size affects everything from substrate preparation to slip risk and long-term durability. This article explains what really changes when tiles get bigger — and what must be planned differently.