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#1
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Grout Vs Caulk at corner of shower floor/wall
I have a 2 year old shower that is ceramic tile on the floors & on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile & the floor tile). How to I repair this. Remove old grout & then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! ------------------------------------- |
#2
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Grout Vs Caulk at corner of shower floor/wall
On 11/4/2011 12:31 PM, HelpMe wrote:
I have a 2 year old shower that is ceramic tile on the floors& on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile& the floor tile). How to I repair this. Remove old grout& then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. |
#3
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Grout Vs Caulk at corner of shower floor/wall
HelpMe wrote:
I have a 2 year old shower that is ceramic tile on the floors & on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile & the floor tile). How to I repair this. Remove old grout & then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! Since you already know the grout won't last, regrouting doesn't ssem like a good option. The best choice would be to remove the corner grout, then caulk with a silicone caulk. A good tile shop may be able to help you match the grout you have with the proper caulk. They have 100% silicone caulks that match a portion of the grout colors they sell. |
#4
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Grout Vs Caulk at corner of shower floor/wall
On 11/4/2011 3:43 PM, chaniarts wrote:
On 11/4/2011 12:31 PM, HelpMe wrote: I have a 2 year old shower that is ceramic tile on the floors& on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile& the floor tile). How to I repair this. Remove old grout& then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). Joints where walls meet walls or floors should be caulked because the walls expand/contract enough to crack grout; caulk flexes. |
#5
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Grout Vs Caulk at corner of shower floor/wall
On Nov 4, 4:50*pm, Norminn wrote:
On 11/4/2011 3:43 PM, chaniarts wrote: On 11/4/2011 12:31 PM, HelpMe wrote: I have a 2 year old shower that is ceramic tile on the floors& on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile& the floor tile). How to I repair this. Remove old grout& then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). Gotta call you on that one. The caulk will stick, but it won't be long lasting and it won't be gua-ran-teed to be 100% waterproof. It's not all that much work to remove the old grout and clean out the joint. Do it right, do it once. R |
#6
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Grout Vs Caulk at corner of shower floor/wall
On 11/4/2011 6:13 PM, RicodJour wrote:
On Nov 4, 4:50 pm, wrote: On 11/4/2011 3:43 PM, chaniarts wrote: On 11/4/2011 12:31 PM, HelpMe wrote: I have a 2 year old shower that is ceramic tile on the floors& on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile& the floor tile). How to I repair this. Remove old grout& then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). Gotta call you on that one. The caulk will stick, but it won't be long lasting and it won't be gua-ran-teed to be 100% waterproof. It's not all that much work to remove the old grout and clean out the joint. Do it right, do it once. R Gotta call you on that one. My caulk will stick for a long time...clean the meeting surfaces obsessively, wipe with full strength bleach, let dry, caulk. Done (unless I smudge it and have to do it over) ) |
#7
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Grout Vs Caulk at corner of shower floor/wall
On Nov 4, 4:40*pm, "Bob F" wrote:
HelpMe wrote: I have a 2 year old shower that is ceramic tile on the floors & on the walls. *It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile & the floor tile). *How to I repair this. Remove old grout & then caulk? *Can I just caulk over the grout that is pulling from the tile? *Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! Since you already know the grout won't last, regrouting doesn't ssem like a good option. The best choice would be to remove the corner grout, then caulk with a silicone caulk. A good tile shop may be able to help you match the grout you have with the proper caulk. They have 100% silicone caulks that match a portion of the grout colors they sell. The essential difference is that caulk remains flexible. The floor and walls will always have some slight movement from either standing on the floor or heating/cooling cycles, etc.. |
#8
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Grout Vs Caulk at corner of shower floor/wall
On Nov 4, 8:34 pm, Norminn wrote:
On 11/4/2011 6:13 PM, RicodJour wrote: On Nov 4, 4:50 pm, wrote: On 11/4/2011 3:43 PM, chaniarts wrote: corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). Gotta call you on that one. The caulk will stick, but it won't be long lasting and it won't be gua-ran-teed to be 100% waterproof. It's not all that much work to remove the old grout and clean out the joint. Do it right, do it once. Gotta call you on that one. My caulk will stick for a long time...clean the meeting surfaces obsessively, wipe with full strength bleach, let dry, caulk. Done (unless I smudge it and have to do it over) ) You're not arguing with me, you're arguing with the physical properties of caulk. Caulk won't stretch in every direction equally regardless of area of adhesion and thickness. Unless you control the joint width and depth, and insure that the narrow dimension is normal to the direction that the joint will move, the caulk will fail. Murphy's Law requires it to fail in a way that is most unfavorable to your desired outcome - waterproofing. Some people just goober on the caulk right over the grout and bridge the joint. That may work for a while, but it's a non-starter if you want the job to last and don't want the caulk job to yell out, "Amateur!" Caulked joints should be almost indistinguishable from a grout line - uniform along it's length, color matched, and as close to the standard grout line width as possible. R |
#9
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Grout Vs Caulk at corner of shower floor/wall
On 11/5/2011 9:44 AM, RicodJour wrote:
On Nov 4, 8:34 pm, wrote: On 11/4/2011 6:13 PM, RicodJour wrote: On Nov 4, 4:50 pm, wrote: On 11/4/2011 3:43 PM, chaniarts wrote: corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). Gotta call you on that one. The caulk will stick, but it won't be long lasting and it won't be gua-ran-teed to be 100% waterproof. It's not all that much work to remove the old grout and clean out the joint. Do it right, do it once. Gotta call you on that one. My caulk will stick for a long time...clean the meeting surfaces obsessively, wipe with full strength bleach, let dry, caulk. Done (unless I smudge it and have to do it over) ) You're not arguing with me, you're arguing with the physical properties of caulk. Caulk won't stretch in every direction equally regardless of area of adhesion and thickness. Unless you control the joint width and depth, and insure that the narrow dimension is normal to the direction that the joint will move, the caulk will fail. Murphy's Law requires it to fail in a way that is most unfavorable to your desired outcome - waterproofing. Some people just goober on the caulk right over the grout and bridge the joint. That may work for a while, but it's a non-starter if you want the job to last and don't want the caulk job to yell out, "Amateur!" Caulked joints should be almost indistinguishable from a grout line - uniform along it's length, color matched, and as close to the standard grout line width as possible. R It's pretty unlikely to find a corner joint with tile where the gap is as fine and even as a grout joint...and stretching is only minimal; consider how wide the fine crack is if the joint is grouted. We're not talking about trampolines. |
#10
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Grout Vs Caulk at corner of shower floor/wall
On Nov 5, 4:59 pm, Norminn wrote:
On 11/5/2011 9:44 AM, RicodJour wrote: On Nov 4, 8:34 pm, wrote: On 11/4/2011 6:13 PM, RicodJour wrote: On Nov 4, 4:50 pm, wrote: On 11/4/2011 3:43 PM, chaniarts wrote: corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). Gotta call you on that one. The caulk will stick, but it won't be long lasting and it won't be gua-ran-teed to be 100% waterproof. It's not all that much work to remove the old grout and clean out the joint. Do it right, do it once. Gotta call you on that one. My caulk will stick for a long time...clean the meeting surfaces obsessively, wipe with full strength bleach, let dry, caulk. Done (unless I smudge it and have to do it over) ) You're not arguing with me, you're arguing with the physical properties of caulk. Caulk won't stretch in every direction equally regardless of area of adhesion and thickness. Unless you control the joint width and depth, and insure that the narrow dimension is normal to the direction that the joint will move, the caulk will fail. Murphy's Law requires it to fail in a way that is most unfavorable to your desired outcome - waterproofing. Some people just goober on the caulk right over the grout and bridge the joint. That may work for a while, but it's a non-starter if you want the job to last and don't want the caulk job to yell out, "Amateur!" Caulked joints should be almost indistinguishable from a grout line - uniform along it's length, color matched, and as close to the standard grout line width as possible. It's pretty unlikely to find a corner joint with tile where the gap is as fine and even as a grout joint Look at any of my tile jobs and you'll see they're all like that. It takes longer, but I'm only doing it once. But it doesn't matter how big the gap is, within reason, it matters how you approach caulking the joint. Filling the joint, or attempting to bridge it, without taking into account the caulk bead depth and dimensions is a surefire recipe for failure. ...and stretching is only minimal; consider how wide the fine crack is if the joint is grouted. We're not talking about trampolines. The water we have around here does not discriminate based on the size of the gap. If there's a gap, the water will enter it. It's a shower, eh? As far as the amount of stretch - that's exactly the point. You don't fight the material, you work with it. The caulk should be adhered at both sides and the caulk thinner in the middle so it'll stretch the way it is supposed to and not pull the caulk away from the tile on one side. Different ways to caulk correctly: http://www.inspectapedia.com/BestPra...Figure1-38.jpg http://www.inspectapedia.com/BestPra...Figure6-37.jpg Carpentry, but it applies to tile as well: http://www.thisiscarpentry.com/wp-co...kerRod-1_1.jpg Shows preferred caulk bead dimensions: http://www.jlconline.com/isroot/jlco...01Mc51.eps.gif This is all well established caulking practice. You appear to be saying "it doesn't matter", but it does. A slow leak is not better than a fast one. A big gap/leak will show up more quickly and is less likely to do extensive damage. A small gap/leak can go undetected for years, and then when it is finally discovered it is never good. Reframing and mold remediation are the usual outcomes. R |
#11
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Grout Vs Caulk at corner of shower floor/wall
RicodJour wrote:
Look at any of my tile jobs and you'll see they're all like that. It takes longer, but I'm only doing it once. But it doesn't matter how big the gap is, within reason, it matters how you approach caulking the joint. Filling the joint, or attempting to bridge it, without taking into account the caulk bead depth and dimensions is a surefire recipe for failure. ...and stretching is only minimal; consider how wide the fine crack is if the joint is grouted. We're not talking about trampolines. The water we have around here does not discriminate based on the size of the gap. If there's a gap, the water will enter it. It's a shower, eh? As far as the amount of stretch - that's exactly the point. You don't fight the material, you work with it. The caulk should be adhered at both sides and the caulk thinner in the middle so it'll stretch the way it is supposed to and not pull the caulk away from the tile on one side. Different ways to caulk correctly: http://www.inspectapedia.com/BestPra...Figure1-38.jpg http://www.inspectapedia.com/BestPra...Figure6-37.jpg Carpentry, but it applies to tile as well: http://www.thisiscarpentry.com/wp-co...kerRod-1_1.jpg Shows preferred caulk bead dimensions: http://www.jlconline.com/isroot/jlco...01Mc51.eps.gif This is all well established caulking practice. You appear to be saying "it doesn't matter", but it does. A slow leak is not better than a fast one. A big gap/leak will show up more quickly and is less likely to do extensive damage. A small gap/leak can go undetected for years, and then when it is finally discovered it is never good. Reframing and mold remediation are the usual outcomes. Excellent post! Very useful info. |
#12
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Grout Vs Caulk at corner of shower floor/wall
On 11/6/2011 11:15 AM, RicodJour wrote:
On Nov 5, 4:59 pm, wrote: On 11/5/2011 9:44 AM, RicodJour wrote: On Nov 4, 8:34 pm, wrote: On 11/4/2011 6:13 PM, RicodJour wrote: On Nov 4, 4:50 pm, wrote: On 11/4/2011 3:43 PM, chaniarts wrote: corners are especially bad for grout cracks. they should have been caulked instead. you probably need to remove the grout and caulk to get a final solution. No need to go overboard removing the grout...just enough for the caulk to grab into (it sticks to the surface of the tile ennyhoo). I suppose that is why some mfg. label the product "adhesive caulk". Or not. Gotta call you on that one. The caulk will stick, but it won't be long lasting and it won't be gua-ran-teed to be 100% waterproof. It's not all that much work to remove the old grout and clean out the joint. Do it right, do it once. Gotta call you on that one. My caulk will stick for a long time...clean the meeting surfaces obsessively, wipe with full strength bleach, let dry, caulk. Done (unless I smudge it and have to do it over) ) You're not arguing with me, you're arguing with the physical properties of caulk. Caulk won't stretch in every direction equally regardless of area of adhesion and thickness. Unless you control the joint width and depth, and insure that the narrow dimension is normal to the direction that the joint will move, the caulk will fail. Murphy's Law requires it to fail in a way that is most unfavorable to your desired outcome - waterproofing. The narrow dimension is normal to the direction that the joint will move? Pray tell, what does that mean? And the average homeowner determines which way the surfaces move how? Some people just goober on the caulk right over the grout and bridge the joint. That may work for a while, but it's a non-starter if you want the job to last and don't want the caulk job to yell out, "Amateur!" Caulked joints should be almost indistinguishable from a grout line - uniform along it's length, color matched, and as close to the standard grout line width as possible. Wide enough to cover the joint. It's pretty unlikely to find a corner joint with tile where the gap is as fine and even as a grout joint Look at any of my tile jobs and you'll see they're all like that. It takes longer, but I'm only doing it once. But it doesn't matter how big the gap is, within reason, it matters how you approach caulking the joint. Filling the joint, or attempting to bridge it, without taking into account the caulk bead depth and dimensions is a surefire recipe for failure. ...and stretching is only minimal; consider how wide the fine crack is if the joint is grouted. We're not talking about trampolines. The water we have around here does not discriminate based on the size of the gap. If there's a gap, the water will enter it. It's a shower, eh? Your water apparently works a lot like mine. I clean the joint meticulously...degrease, scrape, bleach, dry, denature alcohol just for good measure, dry, then caulk. Usually with tape. I make the caulk smooth so that there is nowhere for moisture to sit and grow mold. As far as the amount of stretch - that's exactly the point. You don't fight the material, you work with it. The caulk should be adhered at both sides and the caulk thinner in the middle so it'll stretch the way it is supposed to and not pull the caulk away from the tile on one side. LARGE surfaces need expansion joints, blah, blah. A shower stall isn't large, and is probably the least likely of installations to have expansion. Have never seen one that would require backer rod, and an installation with backer rod is quite a different deal...some nasty tub/wall joints leave room to store valuables ) Different ways to caulk correctly: http://www.inspectapedia.com/BestPra...Figure1-38.jpg http://www.inspectapedia.com/BestPra...Figure6-37.jpg Carpentry, but it applies to tile as well: http://www.thisiscarpentry.com/wp-co...kerRod-1_1.jpg Shows preferred caulk bead dimensions: http://www.jlconline.com/isroot/jlco...01Mc51.eps.gif This is all well established caulking practice. You appear to be saying "it doesn't matter", but it does. A slow leak is not better Guess you didn't read my post, or just like to argue. The part of my post, which you quoted above, says, "...enough for the caulk to grab into". than a fast one. A big gap/leak will show up more quickly and is less likely to do extensive damage. A small gap/leak can go undetected for years, and then when it is finally discovered it is never good. Reframing and mold remediation are the usual outcomes. R I've caulked indoors and out, with and without backer rod, different types of surfaces...it's funny how horrible people can make a poor caulk job look ) We installed a pressed glass panel for a backsplash behind kitchen cooktop that covers about 6' wide wall, held in place with clear silicone. The size and pattern of the glass required two pieces, with very slightly beveled edges. I bridged the joint with clear silicone, filled only to level with surface, and the joint is invisible. I love the way it looks and the ease of cleaning it...nothing better. $60. If I got tired of it, I could take it down and replace it. |
#13
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Grout Vs Caulk at corner of shower floor/wall
On Saturday, 5 November 2011 05:31:52 UTC+10, HelpMe wrote:
I have a 2 year old shower that is ceramic tile on the floors & on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile & the floor tile). How to I repair this. Remove old grout & then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! ------------------------------------- Want to know the bad news? Because no one else is saying it. OK, I have long experience with shower areas in Austalia at least, and the vast majority of wall/floor joints are grouted. This is because of longevity. If you put caulk there, it won't last. Neither will silicone, and if silicone is smeared on it will end up looking like a permanent steak of dirt after accumulating shower grime for years, it will be the only thing you can't clean. Your best bet is to simply rub some more grout in there. Problem fixed. If you have a lot of movement in the house, you might want to try a flexible grout additive. If you want it to last 100 years try an epoxy grout. All of these solutions (caulk, grout & silicone) are presuming that the original gap was 2mm to 3mm between the floor and wall. So that's my advice. Whatever you put in, be prepared to replace it. But I like grout. (PS. porosity is not an issue with an underlying waterproofing membrane and the appropriate angle of drainage.) |
#14
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Grout Vs Caulk at corner of shower floor/wall
wrote in message ...
On Saturday, 5 November 2011 05:31:52 UTC+10, HelpMe wrote: I have a 2 year old shower that is ceramic tile on the floors & on the walls. It is grouted where the wall tiles meet the floor tiles. The grout on two of these wall/floor areas is cracking where the grout meets the tile (both the wall tile & the floor tile). How to I repair this. Remove old grout & then caulk? Can I just caulk over the grout that is pulling from the tile? Put clear silicone caulk over the cracking areas? Regrout this area? Please HELP !!! ------------------------------------- Want to know the bad news? Because no one else is saying it. OK, I have long experience with shower areas in Austalia at least, and the vast majority of wall/floor joints are grouted. This is because of longevity. If you put caulk there, it won't last. Neither will silicone, and if silicone is smeared on it will end up looking like a permanent steak of dirt after accumulating shower grime for years, it will be the only thing you can't clean. Your best bet is to simply rub some more grout in there. Problem fixed. If you have a lot of movement in the house, you might want to try a flexible grout additive. If you want it to last 100 years try an epoxy grout. All of these solutions (caulk, grout & silicone) are presuming that the original gap was 2mm to 3mm between the floor and wall. So that's my advice. Whatever you put in, be prepared to replace it. But I like grout. (PS. porosity is not an issue with an underlying waterproofing membrane and the appropriate angle of drainage.) Thanks for this info. Same situation here. I put silicone caulk on a few years ago and sealed the crack but looks bad, like you said. What's a good way to remove the old caulk? Is it necessary to try and scrape out the caulk that's inside the cracks? |
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