Failing Self-Leveling Compound?
Hi, I recently poured some SLC in my bathroom on top of old mortar which is on top of concrete for the first time and failed miserably.
first off I mixed 2 batches which I know is a mistake but I didnt want to commit to a whole bag and not mix it properly. The first half I mixed 2 days ago has dried perfectly to a dark grey.
the half I mixed yesterday was a complete mess, the compound separated and didnt work basically, its a light grey shown in the picture below.
I would like to know if I can pour another batch on top of the failed SLC. It IS dry, and has a slight dusty feel to it. It is also very thin (you can still see the marks from the old mortar). Will it eventually crack up?
Did you prime the floor before adding the SLC?
You blew the mixture---if one batch looked good and the next odd---must have done something different---
Is the bad batch bonded well to the old floor?
You might be all right simply priming the bad mix and adding another layer---More info needed before I would say yes to that---
I used Henry 565. I just tried to chip some off and yes its bonded well, I didnt prime cause the mortar is very rough and I figured it would stick no problem
1 thing to note is that in the second mix, there was a bunch of compound sunk to the bottom of the bucket.
Sounds like you can add another layer without issue---Henry makes very trusted products,although I have never used that one--
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