How Does Grout Sealer Work

Penetrating grout sealers absorb into the grout and help protect it from stains and grease infiltration. As the porous grout absorbs your chosen sealer, the material fills in all the gaps and keeps moisture out.

Is it really necessary to seal grout?

Usually, grout is made of the cement material, making it porous. This is why it can absorb liquids readily. Hence, grout sealing is necessary for your tile surfaces. In addition, grout sealing is useful because it stops mold and mildew from growing on your grout.

Does grout with sealer in it work?

Grout is porous and therefore absorbs liquids. Because of this, the reason you should not seal your tile grout is that the sealer’s liquid chemicals combine with the grout to create a surface that is actually much more difficult to clean. … Also, when unsealed grout gets wet, the water can evaporate and dry.