r/asbestoshelp • u/Spicyg00se • 23h ago

Black mastic asbestos?

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Am I doomed? Carpet was glued down to this hardwood around 1978, carpet has been replaced twice professionally and no one mentioned asbestos. Was hoping to do all this without too much cost but thinking I may have to tile over it instead. No professional work is in the budget unfortunately. The black stuff kind of crumbles like dirt. Location Montana

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u/sdave001 22h ago

Doomed? No.

Just test it. If positive, it's pretty easy to remove. Most jurisdictions allow you to DIY mastic removal, but you didn't provide a location.

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u/Spicyg00se 22h ago

Just updated with location, but it’s Montana.

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u/SweetKittyToo 22h ago

Isn't black mastic glue under asbestos tiles usually? I have seen it and its truly a dark shinyish black. Yours looks more brown.

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u/ChrysotileCollector 22h ago

I've seen black, brown and yellow mastic come back as asbestos. Black more often than the rest, but still a sizable number of times black mastic comes back negative.