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Tile Mud Bed Questions
Posted on 4/15/22 at 9:14 am
Posted on 4/15/22 at 9:14 am
Got a few questions. I removed the tile in an upstairs bathroom and found that it was installed in a mud bed. No surprise since its an older house but I have no experience working with mud beds. Is it possible to re-tile over old mud bed using thinset mortar? Also I found a decent crack in the mud bed and need to patch it with something. Im trying to avoid tearing up 1" deep mortar if at all possible.
6
Posted on 4/15/22 at 9:41 am to Agrippa
There was a mud bed in my old house in a section of the bathroom.
We redid the bathroom and put down tile in all of it. When we did that I ripped out the mud bed.
We redid the bathroom and put down tile in all of it. When we did that I ripped out the mud bed.
Posted on 4/15/22 at 3:04 pm to bbvdd
I have installed several mud beds and don’t see a reason why you couldn’t reuse one. I would waterproof it before tiling over it. Well I would tear it out and repour it because you need to waterproof the walls as well as the mud bed. In the past I’ve used redguard or similar products and have had no problems. Pouring a mud bed is cheap and tearing it out should be easy.
Posted on 4/15/22 at 4:00 pm to Agrippa
John Bridge will have every answer you ask. I used it when I did my bathrooms a few years ago during a whole house remodel.
Plenty of experts there to ask questions...
https://www.johnbridge.com/vbulletin/index.php?s=b09249e862dd7dbb6a36b76f2a8aa7ce
Plenty of experts there to ask questions...
https://www.johnbridge.com/vbulletin/index.php?s=b09249e862dd7dbb6a36b76f2a8aa7ce
Posted on 4/15/22 at 4:37 pm to alphaandomega
Yes, the pros there will walk you through step by step, and they have a lot of patience for do it yourselfers.
Posted on 4/15/22 at 8:18 pm to Agrippa
If the mud bed is not damaged too much, just a crack or two, assuming they are not catastrophic, you could leave it and tile over it. I would first paint the cracks with redgard, at least a foot on each side of the crack, two coats
Posted on 4/16/22 at 8:48 am to Agrippa
Is there not thinset stuck to it? If by the off chance there is not any it's still smooth I don't see why you cannot reuse. Would definitely red guard it. Probably has a rubber liner under it, but just to be safe. If it's covered in thinset rip it out and go with a schluter system or something comparable. Shower floors are finicky, they must be smooth
Posted on 4/16/22 at 6:15 pm to Agrippa
Well wait now. I responded thinking this was a bathroom floor. I did not see shower floor. If this is in fact a shower floor, all bets are off. You MUST rip it all out and start from scratch like MR ticklechain advised. Schluter systems are the way to go. The waterproofing has been compromised and you must start from step one.
This post was edited on 4/16/22 at 6:18 pm
Posted on 4/16/22 at 7:32 pm to Agrippa
quote:
I removed the tile in an upstairs bathroom and found that it was installed in a mud bed
I don’t see how you could remove the tile without significantly damaging the bed. Given that, are we talking bathroom floor or shower/ bath floor? I’m not a contractor obviously but why would you put a mud bed in an upstairs room if it’s not for a shower to slope it?
Posted on 4/16/22 at 8:32 pm to baldona
Common in older houses before concrete backer boards. Usually about 1 1/4” to 1 1/2” thick as a means of achieving a perfectly flat floor uncoupled from the subfloor.
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