Ahh, here i go with more fire retardant BS from my FM! Anyone give me any insight on how to treat Dow rigid foam? Obviously it'll need to be sprayed but does your FM require just the exposed surfaces to be sprayed (before &/or after hardcoating?) or all 6 sides of every piece? Isn't anyone making a freakin' fire retardant "bomb" that we can just drop into the attraction, ignite & let it cover every square inch? I think this is what my FM is looking for! This place was a 30,000' sq. ft. women's clothing store prior...you think he asked them to only sell fire retardant clothing!? wtf with this guy!