Originally Posted by N8man
I Think I'd Shy Away From them....Unless you have the MSDS Sheet of the particular insulation there's no way to know what chemicals made up the Insulation.....Better Safe Than Sorry Down The Road.....
Yeah; what N8man said. It's at least possible that the contents were some form of isocyanurate. The cyan stands for cyanide. At least stay clear of the fumes while you're burning it out.