How to Fix Ceramic Tile Grout

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You can fix ceramic tile grout in a number of different ways depending on your overall preferences. Find out how to fix ceramic tile grout with help from an experienced construction professional in this free video clip.

Part of the Video Series: Grout Maintenance
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Video Transcript

Hi, this is Nicholas Iarocci, The Home Source Guy; President and Owner of Source Development, Inc., a residential and commercial construction company in Garnerville, New York. And this is how to fix ceramic tile grout. So, what we have here is our model of a ceramic tile mounted on a plywood; it would be mounted on drywall normally. We're going to repair a grout joint that's been damaged, either loose or whatever is so. I'm going to use a, there's a multiple tools that you can use to, to remove the grout; manual saws, V grove saws, oscillating saws, which this is a great tool. This oscillating tool is just like the greatest invention, particularly for tile too. Anyway, I'm going to start by removing this grout joint here. So, I'm going to use this oscillating saw with the diamond bit, get that right down the center of the tile and you don't have to go all the way through the tile, but you know, deep enough so that you're going to get a good grout adhesion. You want to be able to stuff the grout in there, so you want a nice open cavity. So, if you notice on our 4X4 tile, this is a self-spacing tile; there's self-spacing tabs installed right on the tiles. So, they butt up against one another and they leave the proper gaping in the tile. This is especially crucial when you have a, a tile that's got a very tight 1/16 joint, let's say or less than an eighth joint. On this particular tile, you'll notice the smooth edge around the whole perimeter, which, you know, basically, you're going to have to use a, a spacer or at the very least, if you want really tight spacing, what I use is toothpicks to space at the tightest areas. Okay, now, on our model here, if you notice, our 4X4 tile there are self-spacing tabs installed directly on the tile. So, what happens is when they butt up against one another, they leave the proper gaping around the tile. That's crucial to any grout installation. So, you really want to make sure you have proper gaping. If you're using a tile like this that's got a smooth perimeter, you want to use some sort of a spacer. And in tight applications what I use is a, a toothpick. It can be as little as a toothpick; I use round ones by the way, I don't use the flat ones. [Laugh]. The, the flat ones all, they're kind of too weak and they kind of get stuck in the joint. So, they seem to be, they seem to work out better if you use the round ones. Okay, so that's it, we're ready to install our grout now. So, we're going to use an unsanded grout for the joint that we, that we're repairing. It's less than an eighth of an inch. So, you want to make sure that the grout is capable of being pushed into the joint. So, this particular grout is a very fine material. It's aggregated, it's very very fine and it's capable of being pushed into very tight surfaces. So, this is exactly what we want to use for our grout repair up to an eighth of an inch or less. So, we're about to install our grout; but, before you do, you just want to make sure you're wearing a good set of latex gloves just to protect yourself, some of the stuff can be caustic. Okay, I'm just going a, a grout joint, grout brush, excuse me to make sure that it's clean. So, I'm just going to run that, make sure it's clean. This particular area since I'm only doing a couple of inches, I'm just going to use my fingers as a grout float just to push into the joint. Again, if you're a homeowners out there, you might want to cover your fingers up with a latex glove. So, we just want to make sure we fill up the gap. You want to come back and use the grout float to remove any excess you can. So, we're going to let this dry a little bit and then, you're going to remove it with a sponge. And this is was how to fix ceramic tile grout. This is Nicholas Iarocci, The Home Source Guy; President and Owner of Source Development, Inc., a residential and commercial construction company in Garnerville, New York, helping you build a better life. We'll see you next time.


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