Yes, that is odd. And whilst I’m not a floorer, I’d agree with you that the glue isn’t likely to fill that hole gap.A couple more puzzles/thoughts.
I sent off to Karndean for a few samples to test colours.
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Not sure I really like any.
However this gave me another problem. I swam to have quite a large gap that I can't imagine being close by the glue layer. The floor is OEM rubber mat, with 12mm ply and then the Karndean sample:
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I even went and measured the pky. It's 11.96mm, so I'm puzzled as to why doesn't mine match up to the OEM rails.
What is the gap measurement, exactly?






