What is the difference between sanded and unsanded grout?

The distinction between sanded and unsanded grout lies primarily in their composition and the applications for which they are suited. Sanded grout includes sand, which provides additional strength and is ideal for larger joints between tiles, typically those that exceed 1/8 inch in width. The presence of sand not only enhances the grout's durability but also serves to prevent shrinkage and cracking in wider gaps.

Conversely, unsanded grout is a smoother mixture without sand, making it more suitable for narrower joints, usually 1/8 inch or smaller. Its smooth texture allows for easier application in delicate situations, like wall tiles or glass tiles, where a rougher texture might create an uneven surface or damage fragile tile edges.

Understanding this differentiation is crucial for selecting the appropriate type of grout that aligns with the tile spacing and the installation needs.