I just found this link from usg

[jotulburner]

http://literature.usg.com/pdf/CB198.pdf



It states that DUROCK Cement Board may also be used as a floor protector in place of one layer of 3/8 thick
millboard.

 

[firefighterjake]

http://literature.usg.com/pdf/CB198.pdf



It states that DUROCK Cement Board may also be used as a floor protector in place of one layer of 3/8 thick
millboard.

I think you'll find this is the original Durock since the document was created in 2007 . . . the NextGen Durock at this time appears to not be rated for use as hearths . . . which is too bad since the 1/2 inch Durock was a great product for wood burners.

 

[firefighterjake]

Correction . . . document has a 1997 copyright . . . not a 2007 . . . again making me think it refers to the older Durock.

 

[Jags]

Correction . . . document has a 1997 copyright . . . not a 2007 . . . again making me think it refers to the older Durock.

That is correct Jake. USG is not Johnny on the spot with their website.

 

[minkaz]

per email from USG:
Because of the reformulation of the Durock Next Gen we are no longer recommending its use as a heat shield or floor protector around wood stoves or fire places.

Regards,

Chris Curtiss


Chris Curtiss
Schiller Park CSC
Specialist/Service Improvements/
Technical Support
Phone- 847-233-3327
[email protected]