Grout on bathroom tile smells musty

Question

The grout surrounding the bathroom tile smells musty. Specifically, it is the grout around the tub/shower.  I do not see any stains from mold/mildew.  The smell permeates the whole house unless I keep the door closed all day.  Is there something I can put over it to kill the smell?  Would adding a thin layer of new grout help?

Mandy Brown · Answer

Try making a paste with baking soda and water. Rub it into the grout really well. Take a bit of vinegar on a sponge and squeeze it over the baking soda paste. It will start bubbling, but wait until it stops. After it's finished bubbling, go back over it with warm water to get all the dirt and baking soda out. Not only should it clean the grout, but it should take the odor with it. You also should put a grout sealer on it when you've finished. Most people don't keep a grout sealer on their tiles, but it should be done periodically. They sell it in a spray can now so it's a lot easier to use.

Lynda Dexter · Answer

Another thing to try is to mix 50/50 Listerine and water in a spraybottle. mist the area let sit 30 min or more and then wipe clean. It does have to be the alcohol Listerine either the blue or the gold will work.

Stephanie · Answer

Thank you for your suggestions! I will try both. I'm hoping they work, as it is getting annoying walking into a musty smelling home!! Thanks again!

Kathy Meador Wells · Answer

You might have a ventilation problem in your bathroom. The ideas above are great, how ever they are temporary fixes. If you don't have a ventilation problem you might have a leakage problem from pipes. It might just be that the grout is not the right kind of grout for a bathroom and your drywall is bad. Either way you need someone to look at it all to see what the real problem is. Been there done this.

Stephanie · Answer

I'm pretty sure I do have a ventilation problem. It was built in 1969, and has the original pink tile! It has a window, but no exhaust fan. Also, I don't know if the drywall behind the tile is correct, as I am not sure they even had drywall for behind showers back then---most people had baths, but not showers. It's a rental, though, so I have to do what I can do, and let the landlord handle the rest.

Bananas! · Answer

Agree with @Kathy Meador Wells the smell is horrible and that's cause it's wet rot, pure and simple. It's a smell you won't forget. Sounds like you need to unfortunately remove the tile and redo probably the walls and the tile.....also add ventilation, all that is code now but back then nothing seemed to be to code. Oops, so tell your landlord he needs to change it out or his investment is going to crumble!!!

Kala Professional Restoration services · Answer

I think the bathroom was not cleaned properly last time you had a water damage at your place. When mold or mildew remediation is not done properly then there are chances that a foul smell would come out after some time. I would suggest you to call in some expert professional to ask for a solution.

Deb K · Answer

Hi Stephanie, hope this helps you out.

https://www.youtube.com/watch?v=sf8l7N8E4Xw

Grout on bathroom tile smells musty

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Grout on bathroom tile smells musty

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