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Tanking and Wetrooms Forum
Looking for Advice on Plan to Lay Tile over Tile for Shower Floor
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[QUOTE="SanDiegoChip, post: 988788, member: 60895"] Hi gamer1. thanks so much for the feedback. A few updates. I think I finally finished stripping the sealer I used a few years ago. It took many hours of scraping with a raxor blade (I broke the blade maybe 10 times) and sanding by hand and with a small black and decker hand sander with 60 grit paper. The old floor looks pretty nice now that it is all clean and white, haha. My handyman came down with Covid and is now out of commission for at leats a week. I have been talking with tech support from Mapei several times. After the first call, they are now saying I should use Mapelastic AquaDefense as well (Floor and Decor said it was unnecessary). My main contact at Mapei is checking with some people, but he thinks I should use Aqua Defense on the bare tile first (3 coats) to prevent moisture from coming up from the mud, then apply the Eco prim grip (2 coats). He is checking with other people to see if I should then apply another layer of Aqua Defense on top of the Eco Prim Grip before laying the tile in modified thinset. My contact then shocked me by saying if it was him he would pull the existing tile and skip the tile on tile. He said He could remove the existing tile in just an hour or two with a steel chisel and hammer. Any small holes in the mud could be repaired using their Quick Patch or 330 Fast products. I could also enhance the pitch of the floor so it drains better. Then I could keep the existing drain. He disagreed with the local tiler I contacted and said I would not need to pull 12" of wall tile as well. He said I would only need to do that if my shower was leaking. Since my shower was built in 1997, he said I likely have a rubber liner or p[possibly some kind of tar paper that was popular in California. He said it is easy to pull the tile and not disturb the waterproofing. Then I would not need to use the Eco Prim Grip or the Aqua Defense or the Extend-O-Drain. I am going to get my handyman's opinion on this. I like the idea of doing it the right way, but only if I am sure I will not create a monster headache and expense. If we somehow damage the waterproof membrane, it could end up costing me an extra $1,500+ to fix the shower and I may be without it for 8 weeks. How easy/safe is it to chisel out the existing floor? Again it is 1" square tiles (95% sure porcelain) with 1/4" grout lines. [/QUOTE]
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Tanking and Wetrooms Forum
Looking for Advice on Plan to Lay Tile over Tile for Shower Floor
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