Top 10 Best Grout Sealer Reviews Why need a grout sealer? Grout is needed while laying tiles on the floor or building the surface. The grout is quite spongy and porous in nature and hence sealing the grout is absolutely mandatory. Grout sealing controls the sponginess and porous properties of the grout. In the absence of proper grout sealing, the grout will absorbs a lot of moisture and liquid which will have an extreme adverse effect on the quality of the grout. What are the … [Read more...]