Fellow colleagues,

How do you test for densifier? Looking at a terrazzo floor from the 1960s that has already been polished before, but is obviously now showing signs of wear and abuse, mainly in the traffic areas. It has a  nice sheen in some areas but not a lot of clarity.

So how does one test for pre-existing densifier? Is it bad to densify again?

Thanks in advance for the replies.

J

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