Insulation Board

[Bayaba]

I understand that the FB Board is on backorder and was wondering if this is comparable.

http://www.mcgillswarehouse.com/ItemDetails.aspx?ItemID=109140102&IN=3-SHEETS/Case2"CERAMICBOARD,Density17.5LB/FT3or280KG/M3

Thanks in advance for any input.

Bayaba