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[bibeejh]

I’ve done quite a few headliners over the last couple of years. But the over the last couple of months I’ve had two come in where the old foam was almost a goo rather than a dust. Have any of you ran into this? If so, how do you clean and prep the board? For clarity, I can dampen and scrape the majority off, it’s the final bit that gives me a hard time. Thanks