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B
Billski
If it comes to it I think I'll have to take them up a row at a time and re fix them down in the exact position using a mosaic trowel with a decent adhesive. There's about £400 worth of tiles wasted otherwise.
T
Tile Shop
Also seen it before where a primer had been used (BAL APD), and it formed a very easy peelable skin. This ply was virtually impervious and has some kind of material built in, that prevented normal things from sticking to it. But the tiler did a test with the old two part BAL Fast-Flex and that stuck, but we all know that adhesive came from a different universe!
Like everyone says there are many different variations of ply, different variations of porosity, all had different kinds of treatment. No two ply's will act exactly the same, and will require different measures of prep (or none at all). Therefore priming the face may do more harm than good.
For that reason, people should stick to cement backer boards, 1. just to be safe, and 2. because its what they're designed for.
However, doesn't solve the OP's issue. But if one adhesive has worked and the other hasn't the next course of action is to definitely speak to Weber Technical and maybe get them to come and look at it for themselves.
Like everyone says there are many different variations of ply, different variations of porosity, all had different kinds of treatment. No two ply's will act exactly the same, and will require different measures of prep (or none at all). Therefore priming the face may do more harm than good.
For that reason, people should stick to cement backer boards, 1. just to be safe, and 2. because its what they're designed for.
However, doesn't solve the OP's issue. But if one adhesive has worked and the other hasn't the next course of action is to definitely speak to Weber Technical and maybe get them to come and look at it for themselves.
B
Billski
I've contacted them and I'm waiting for them to arrange a visit. I'll keep you all posted.
Third!
D
Dan@Ultra
Afternoon, UltraTile recommendation on Ply for all the Ultra adhesives.
D
Dumbo
Had this discussion a while . I prime everything . Was told by people on here that I should not prime ply with bal fast flex. I checked their spec sheet and they were right . So I contacted bal and asked them about it and they said it wouldn't be a problem if I primed it . I expect the same answer may be got from weber
D
Dumbo
I am really interested to see how this develops please let us know how it turns out .
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