Thursday, 18 February 2021

Black glue on concrete?Is it dangerous?Can I leave it?

After moldy parquet removal the glue was scraped with scraper but still lots of black left. Certain company did that and they are saying its no mold and can be left like that. Is it dangerous? Should I somehow try to remove it? Thanks!

source https://www.inspectorsjournal.com/topic/18833-black-glue-on-concreteis-it-dangerouscan-i-leave-it/?do=findComment&comment=172343

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