Friday, July 23, 2010

Butyl Flooring Black Powder?

We have an outdoor deck which about 10 years ago we had covered with Butyl flooring. This is a kind of rubber compound which comes in a flooring grade thickness. Now when we walk on it a layer of black dust comes off on our feet and is tramped into the house, where it is difficult to remove from the carpet. In fact we have made the outside deck a no-go area





Can anyone explain what is happening and what we can do about it?Butyl Flooring Black Powder?
I am not an expert , but I think the butyl granules are breaking away from the adhesive, berhaps because of sunlight degrading the adhesive.

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