How To Seal Grout - DIY for Beginners

--Contents of this video ----------------------------
00:00 How to Seal Grout Intro
00:32 Why do you need to seal grout?
01:43 Choosing a grout sealer
04:25 Three methods for applying grout sealer
05:42 How to seal floor grout
07:12 Demonstration - How to seal grout in a shower
09:27 When should you seal your grout and how often?
11:05 Do you need to seal your tile?
11:37 How to remove grout sealer from tile

Why should you seal your grout? Cement grout is porous and will absorb any liquid that gets on it which could include soap scum, oils, juices, or just dirty water. Then it will stain, grow mold, and even start to stink. Nobody likes smelly grout. By sealing the grout you fill the pores of the grout so that other stuff can't get in and stain it. Basically, sealing your grout keeps it looking new for longer.

However, not all grout needs to be sealed. If you have epoxy grout, you should not seal it because it won't accept a sealer anyway. How can you tell if you have epoxy grout? Easy, does it look and/or feel like plastic? If so, then it is epoxy grout.

Next, I talk about how which sealers are best to use and why. Basically, any high-quality penetrating sealer with fluorochemicals is best. That way there are different sized particles that can fill in the gaps on the grout.

Finally, I'll share three ways to apply the grout sealer to the grout. I mention a method to apply a sealer to floor tile grout, shower tile, and even natural stone tile. Just make sure to clean your grout well before sealing, otherwise, you will seal in stains!

How much grout sealer do you need? Not much, I would recommend buying the smallest amount you can unless you are planning to seal a large amount of floor tile. You can usually seal an entire shower at least 3 times with just one pint of sealer.

And finally, I give you some tips for sealing your grout like how to remove grout sealer from your tile that has dried.

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[kazzos]

Can we please have this guy teach EVERYTHING on Youtube? From grouting to basket-weaving to handstands to French? I'm sure he could pull it off. Excellent work.

[Somong]

One of the best introductions I’ve heard, and I HATE intros. Thanks for your contribution to the DIY education space.

[charityscott]

This is super! When I did my new homeowner walk through and they told me I had to seal all my grout/granite/tile I was like a deer in the headlights and have been procrastinating due to lack of knowledge for this timely project. This alleviated my stress on that issue! Foam paint brush...2 high fives for that idea!!

[healthinmotion]

Thank you for your detailed and common sense approach. You are a natural teacher. You understand the perspective and the journey of beginner learner. You are a breath of fresh air to DIY community.

[colleenharbulak]

This was the fourth video I watched and everyone should start here, the others were completely useless!! Thank you for explaining it so thoroughly!!

[thomasfischer]

This is one of the best YouTube videos that I've seen. It's engaging and has all the important info. It's easy to grasp. The demos are clear. Very well made!

[EricaNernie]

Excellent instructions! You explained all the options, possible troubleshooting etc, as well as demonstrating the process. You are a natural teacher.

[debramcbride]

This is one of the best YouTube videos that I've seen. It' has all the important info. It's easy to understand. The demos are clear. Recommend using this video.

[A]

Built a shower over a year ago. Wish I would have known this. Thanks for being clear, concise, and explaining everything so I can get on with making it look brand new again.

[phunnypharm]

Thank you!! If only all instructional videos would be as clear and concise as yours.

[arangel]

Dan Perry... You ROCK!!!👏👏👏 After watching your video, I feel totally confident about how to get the job done correctly! Thanks so much!

[ontherocksjojo]

First time home buyer here, and my first home is a new build! They recommended sealing the grout, and I had no idea how to do it. This is very informative, and now I feel confident that I can do this on my own! 😁 THANK YOU!!

[Rianewjob]

Adding new sealant to misplaced dried sealant and then wiping it all off. Genius. Excellent presentation.

[dyerob]

This is a paragon of excellence for an informational/instructional YouTube video. Thank you very much! I’ll look for you again next time I have to learn a new technique!

[Marcmv]

I didn’t know I had to until when I bought my house. I am glad I found this video, thank you!

[betz]

This is a good vid but, friends...have a care. The sealant has the consistency of watery milk. Very drippy. DON'T let the sealant dry on shiny tiles. Wipe each section as you go. I made the mistake of sloshing it on the whole wall and wiping up afterwards. Now I've got drip lines which has not only changed the sheen of the tiles but looks terrible.

[stephenjones]

I love the St. Jude commercials. Very real.

[redemptusrenatus]

Really appreciate the information you presented. Now I know why the grout in my showers looks like crap after 4 years living in my newly remodeled home... the people who remodeled it didn't seal the grout and being ignorant of these things I had no idea that sealing grout was a thing. Not till now that it looks bad and is also cracking and crumbling out due to the house settling. Thanks for the information!

[truthof]

Grout in bathrooms gets that way because of soap. Soap gets nasty and traps moisture in grout, causes mold. Seal it. Excellent product, excellent video!

[rocketj]

As a synthetic sealants contractor, we emphasize to our clients the different type of sealants, and benefits. Your video described a fluoropolymer sealer, which is water based, which is the cheapest solution. However, the better performing sealant is called a solvent based penetrating sealant, which has lower surface tension, and carries deeper into the grout. Lastly, the best solution is an epoxy based colored sealant, kind of like a concrete stain, combined with a clear acrylic which will last about 5 years in a shower with only one application. We also recommend to our clients how to maintain their shower, such as using a squeegee and drying out the shower after every use, using a natural stone soap scum remover will help preserve sealant, and avoiding cleaning solutions such as bleaches and acids. These will ruin a sealer in a short time. But, all in all, nice job on the video!