Why is my grout turning gray?
Grout is a cement-based material full of tiny pores. Tile is smooth and sheds dirt, but grout soaks it up. Each time you mop, dirty water runs into the grout lines and dries there. Grease from cooking, soap scum in the bathroom and grit tracked in at the door all settle into the same spots.
Over time the grout darkens from the inside out. Mopping can make it worse, because the mop spreads dirt from the tile into the lines. That’s why grout can look dingy even in a house that’s cleaned every week.
Can grout be cleaned without regrouting?
Usually, yes. Most gray grout is dirty, not damaged. We apply a cleaning solution that loosens the soil in the grout, work the grout lines, then rinse and extract the dirty water so it doesn’t just settle back in. The difference between a cleaned section and an uncleaned one is often easy to see.
Grout that has been stained by dye, rust or harsh chemicals may lighten but not fully return to its original color. We’ll tell you what to expect after we look at it.
We clean grout; we don’t regrout. If grout is cracked or missing, we’ll point it out so you know about it before it lets water get under your tile.
Which tile areas can you clean?
- Kitchens, where grease and food spills build up in front of the stove and sink
- Bathrooms, around the toilet, tub and vanity
- Showers, where soap scum and hard-water film coat the tile and grout
- Entries and mudrooms, where outdoor grit wears into the grout
- Laundry rooms and hallways with tile floors
Showers are a favorite, because soap film builds up so slowly that you don’t notice how dull the tile has become until it’s clean again.
Should you seal grout after cleaning?
It’s optional, and right after cleaning is the ideal time, because the grout is clean and open. A penetrating grout sealer soaks into the grout and slows down how fast spills and dirty water get absorbed.
What sealing does:
- Gives you more time to wipe up a spill before it stains
- Helps the grout stay cleaner longer between deep cleanings
- Makes routine mopping more effective
What sealing doesn’t do:
- It doesn’t make grout waterproof or stain-proof
- It doesn’t fix cracked, crumbling or missing grout
- It doesn’t last forever; it wears down with traffic and cleaning
Grout has to be fully dry before sealing, so we’ll explain the timing on your visit.
Do you clean ceramic and porcelain tile?
Yes. Ceramic and porcelain are the most common tile floors in Knoxville homes, and they handle deep cleaning well. Glazed tile cleans up quickly; unglazed and textured tile holds more dirt in its surface and gets extra attention.
Natural stone is different. Marble, travertine, limestone and slate can be etched or dulled by cleaners that are perfectly fine on ceramic. If we see stone, we check what it is first and tell you whether it needs a different approach before any solution goes on the floor.
How long before you can walk on tile after cleaning?
Tile floors can usually be walked on soon after we finish, once the surface is dry. Grout takes longer to dry all the way through, so if you choose sealing, the floor needs time to dry first. Socks can be slippery on freshly cleaned tile, so take it easy for the first little while.
Are the cleaning solutions safe around kids and pets?
We use green, eco-friendly cleaning solutions that are safe for pets and kids once dry. We rinse and extract the floor so residue isn’t left in the grout, which also keeps it from attracting new dirt as quickly.
Want the whole floor plan done at once? Pair tile with carpet cleaning or area rug cleaning in the same visit.