Johns Manville Insulation / asbestos question

[Youngfd]

Does anyone know if this John Manville Super Felt Rock Wool insulation would contain asbestos? We have some to remove from a building and want to handle it correctly.

 

[dw1]

Call and ask to be 100% sure:
https://www.jm.com/en/contact/

 

[rburke65]

No idea here either. Call "John" and send them that photo. Hey.......let us know.

 

[DC73]

If it's pure rockwool, it does not contain asbestos. I've never seen or heard of rockwool containing asbestos. But, peace of mind might warrant contacting the manufacturer as suggested.

DC

 

[jbwilkins]

If that’s mold on the surface you should have it tested.....it could be just as bad, if not worse than the asbestos...

 

[romulus128]

Did you ever find out?

 

[Randy in Maine]

I would just take a sample to a testing lab and they will run it. About $25.