![Could this be old black mastic / asbestos? I left these floors uncovered for about 3 months in my basement until I tiled it. Having some worries. Thanks : r/Flooring Could this be old black mastic / asbestos? I left these floors uncovered for about 3 months in my basement until I tiled it. Having some worries. Thanks : r/Flooring](https://i.redd.it/could-this-be-old-black-mastic-asbestos-i-left-these-floors-v0-080b56ukct891.jpg?width=3024&format=pjpg&auto=webp&s=83d5692862c98f04f3de936f8de00de95456a8c4)
Could this be old black mastic / asbestos? I left these floors uncovered for about 3 months in my basement until I tiled it. Having some worries. Thanks : r/Flooring
![I used SGR 1500 to remove 50 yr old black mastic off my basement floor. The floor has been stained by the mastic. C (SGR1500 Mastic and Adhesive Remover for Concrete - I used SGR 1500 to remove 50 yr old black mastic off my basement floor. The floor has been stained by the mastic. C (SGR1500 Mastic and Adhesive Remover for Concrete -](https://data3.answerbase.com/answerbase/13102/UserFiles/Answers202110/questionImage-1-25074042.jpg)
I used SGR 1500 to remove 50 yr old black mastic off my basement floor. The floor has been stained by the mastic. C (SGR1500 Mastic and Adhesive Remover for Concrete -
![How can I remove a Carpet from concrete stuck down with black mastic/bitumen - Home Improvement Stack Exchange How can I remove a Carpet from concrete stuck down with black mastic/bitumen - Home Improvement Stack Exchange](https://i.stack.imgur.com/04yJo.jpg)
How can I remove a Carpet from concrete stuck down with black mastic/bitumen - Home Improvement Stack Exchange
![How to remove black mastic or carpet glue from a concrete floor - www.sealgreen.com - 800-997-3873 - YouTube How to remove black mastic or carpet glue from a concrete floor - www.sealgreen.com - 800-997-3873 - YouTube](https://i.ytimg.com/vi/He3Xn3B1fuQ/hqdefault.jpg)