Self Levelling Compound onto Block and Beam type floor

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Morning, in relation to tiling questions I have elsewhere, I thought I'd best ask this question for you wonderful knowledgable people to answer.

Lurking underneath the horrid chipboard, we have what is I believe called a "Block and Beam" type floor (concrete beams and blocks slotted together).

If I needed to, and assuming these blocks are grouted, and have a DPM underneath, can I apply a Self Levelling Compound directly onto the block and beam construction, or would I need to do any other prep work beforehand?

I'm looking to perhaps apply Marmox boards on top of the levelled surface afterwards.

Thanks.
 
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In general, these type of floors will have a sand and cement screed applied over them prior to a smoothing compound being laid. The smoothing compound isn't really strong rnough to cope with any movement which may take place within the block and beam.
 
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A recent similar thread which may answer some if not all of your questions;
http://www.diynot.com/forums/viewtopic.php?t=265985
I tend to scan all the forums but not all the regulars may do; for tiling or floor preparation before tiling post the Tiling Forum, you’re likely to get a much better response. Also read the Tiling Sticky & Forum Archive posts to avoid making potentially expensive mistakes. ;)
 
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