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I know it doesn't make sense at all, i'm just throwing ideas out there. Nothing worse than having to go back to a job and re do it due to product failure.
Discuss Patchy Mapei grout... any ideas? in the Canada area at TilersForums. The USA and UK Tiling Forum (Also now Aus, Canada, ROI, and more)
BAL Micromax, super flex and microflex, basically BAL. I have always used BAL and on the few occasions I've used ultra colour I've had issues, either setting too quickly, drying patchy etc, I also don't like the fact that it needs to be mixed a whole 5kg bag to exactly 1 litre of water, to me that suggests that it's too sensitive. I've read too many posts on here with it going wrong from DIY and pro's. I know a lot of folks on here love it so it must be a decent product, but not for me.
It may just be excess moisture in the grout. What temp is the room at and is the room prone to humidity? What appliances and utilities do you have in this room or have used in the week or two prior to grouting? Are there windows or a door? Any pets? Anything (even a kettle).
Slightly off topic but a mate recommended PCI grouts. Anybody tried these?
i have a job next month and the customer has asked for this grout (jasmine) might try and talk her out of itI have had similar problems in the past with this grout (Jasmine) and have read a few similar posts reporting the same problem. I had to recolour the grout to solve the issue. I will never use this grout again as I really don't rate it, it's far too sensitive and not user friendly (this is my own opinion).
Can you give us a detailed description on how you mixed the grout thanks
I have had similar problems in the past with this grout (Jasmine) and have read a few similar posts reporting the same problem. I had to recolour the grout to solve the issue. I will never use this grout again as I really don't rate it, it's far too sensitive and not user friendly (this is my own opinion).
Are you certain 100% bond was achieved on the tile? I used nothing but mapei for years and had this problem on a couple of occasions! If voids are present in the adhesive grout can flow into these areas making that area of grout hold more moisture than the rest, therefore drying unevenly. How long has it been grouted now?
You seem to have followed procedure correctly, so this is all I can think!
Reply to Patchy Mapei grout... any ideas? in the Canada area at TilersForums.com
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