What is Grout?

Grout is a material used to fill the gaps between tiles or masonry units. It is a mixture of cement, sand, and water, and sometimes includes additives to improve its strength or water resistance.

The primary function of grout is to seal the spaces between tiles, which helps to prevent water from seeping through and damaging the underlying structure. Grout also provides stability and support to the tiles or masonry units, and can enhance the aesthetic appearance of a tiled surface by providing contrast or complementing the color of the tiles.

Grout comes in a variety of colors, and can be sanded or unsanded, depending on the size of the gaps being filled. Sanded grout is typically used for gaps larger than 1/8 inch, while unsanded grout is used for smaller gaps. There are also epoxy-based grouts available, which are more durable and resistant to stains and chemicals than traditional cement-based grouts.

Applying grout involves spreading the mixture over the tiled surface and pressing it into the gaps with a rubber float or trowel. Excess grout is then wiped away with a damp sponge, and the surface is left to dry and cure.

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