Mapeker Rapid set bed thickness - Tile Advice

[Seasidelad]

Evening,

I've got some 50mm cement faced UFH insulation to stick down and was going to use Mapeker rapid set as I've got a few bags but have noticed that the max bed depth is 5mm in some areas I need to build it up a little where the floor isn't level would only be a couple mm more, would this be a issue?

Have been thinking of using Keraquick s1 instead as it's a little more stronger and the bed depth goes up to 10mm, any recommendations?

 

[Lou]

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