OT, looking for high temp expanding foam (sealant)

Brian R

This is a little different. Our company has just installed a second hand powder paint line. The cure oven was cut-up into 3 sections to make them small enough to transport over the road. Now, after pulling the sections back together to make a whole oven again, we have some gaps where the disassembly "experts" torched things apart. I'm wondering if any of you know of a product (other than high temp silicone caulk) that we could seal up these gaps. Widest gap is 3/8", and get narrower from there. It would be nice to find some kind of high temp. expanding foam. The max. oven temp. is 460° F. Any suggestions would be greatly appreciated.

Andrew Hagen_4

Hilti Fire Foam

How about Hilti Fire Foam?

Mike C._4

Refractory Ceramic Fiber Moldable Sealer 11 oz. tube

Could this work?

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=130128779319&ru=http://shop.ebay.com:80/?_from=R40&_trksid=m38&_nkw=130128779319&_sacat=See-All-Categories&_fvi=1

Ray_14

Dow Great Stuff Pro Gaps and Cracks. It is rated for a fireblock, but I do not know the max. temps. allowed. Their tech. asst. # is 1-800-583-2583.