How to Remove Stains from Grout

If you have tile flooring throughout your home, grout is a necessary material that will ensure the tiles remains strong and water tight. In some cases, tile grout can also add character and definition to the flooring.

However, grout is naturally porous material and thus is susceptible to staining over time. Depending on the type of grout is used, some types of grout are more susceptible to stains than others. 

So what are some of the things you can do to remove stains from grout and further protect from discoloration down the road? Below we'll share with you some tips to best care for you tile grout.

Cleaning & Restoring Grout

If the grout has experienced staining, it may be difficult to get it a hundred percent clean. Grout cleaners will typically get rid of surface dirt but will not be able to permeate into the grout especially if the stain has been absorbed. Some grout cleaner and restorer products are indeed effective at lifting stains. Typically these are composed of more powerful and complex compounds designed specifically for grout cleaning.

If the grout you have is white, you could attempt cleaning it with bleach. Use a brush to work the bleach in so that it can permeate all areas. However, if the grout is not white, it is suggested that you use tile poultice. Apply this then let it sit for several hours covered with plastic wrap. This may make the stains rise to the surface requiring you to simply wipe them off. 

If you would like to keep your grout stain free, ensure that any spills that occur are wiped up immediately to lessen the chances of staining occurring. Over time though, you will find that the grout will become discolored. In these situations, a grout colorant can be used to change the color of the grout to something different. Test the colorant first so as to ensure that it matches with the ties that you have in place.

Sealing Grout

Sealing grout is one of the most effective ways of keeping your grout stain fee. As aforementioned, grout is a porous material and without sealing it, it's much more prone to stains and discoloration. Using a sealant will ensure that the surface is covered thus protecting it from water absorption, staining, mold and the like. Sealant also makes it much easier to clean the grout. 

You will find that some new types of grout will come with the sealant already incorporated into them. However, contractors tend to find these types harder to work with and would rather do without it then seal the regular grout once they are done laying the tiles. To keep your grout in good working condition, it is recommended to seal it at least once a year. You can apply this grout sealer on your own using a bottle applicator or a foam brush. Once you are done with the application process, leave the grout to cure for several hours while well ventilated.

Grout Removal 

In some occasions, you may find that the stains have embedded themselves deeply in the grout thus making it difficult to get rid of them. In such scenarios, grout colorant may not be a good option as the stains may cause it not to look uniform. 

At this point, it would be suggested to have the grout removed and have the tiles re-grouted. A grout additive should be incorporated so as to reduce the chances of staining.