For what it is worth, the guy who made those foam/modeling paste backgrounds said they were not ideal for super high heat cages. Like what you would use for basking lizards. He said they surface got a bit soft.

But for a Rainbow Boa you should be okay. That's just a guess on my part.
-----
Currently keeping:

6.10 Gonyosoma oxycephalum (Javan, mixed colors)

0.0.4 Rhynchophis boulengeri

1.1 Philodryas baroni

1.1 Lampropeltis triangulum multistriata

0.0.1 Rhamphiophis rubropunctatus

0.0.2 Morelia viridis (Aru & Merauke locale types)

1.0 Rhodesian Ridgeback

[ Hide Replies ]

• What silicone is safe and what isnt? - 1radsunglow, Wed Jan 7 14:44:31 2009
• RE: What silicone is safe and what isnt? - markg, Wed Jan 7 16:46:48 2009
• RE: What silicone is safe and what isnt? - Redmoon, Wed Jan 7 19:38:56 2009
• RE: What silicone is safe and what isnt? - Upscale, Wed Jan 7 20:32:06 2009
• RE: is the mold proof stuff better? - jpk4, Wed Jan 7 20:50:01 2009
• RE: is the mold proof stuff better? - Redmoon, Thu Jan 8 08:43:06 2009
• RE: is the mold proof stuff better? - chris_harper2, Thu Jan 8 10:34:36 2009
• RE: is the mold proof stuff better? - jpk4, Thu Jan 8 10:37:02 2009
• RE: is the mold proof stuff better? - chris_harper2, Thu Jan 8 10:44:07 2009
• RE: is the mold proof stuff better? - jpk4, Thu Jan 8 15:03:47 2009
• RE: is the mold proof stuff better? - chris_harper2, Thu Jan 8 15:08:20 2009
• RE: is the mold proof stuff better? - jpk4, Thu Jan 8 15:10:00 2009
• RE: is the mold proof stuff better? - chris_harper2, Thu Jan 8 15:20:55 2009
• RE: is the mold proof stuff better? - jpk4, Thu Jan 8 15:27:41 2009
• RE: is the mold proof stuff better? - chris_harper2, Thu Jan 8 15:37:34 2009
• RE: is the mold proof stuff better? - jpk4, Thu Jan 8 15:38:52 2009
• RE: is the mold proof stuff better? - chris_harper2, Thu Jan 8 15:41:35 2009
• RE: Thanks for everyones input and..... - 1radsunglow, Fri Jan 9 14:01:44 2009
• RE: Thanks for everyones input and..... - Chris_Harper2, Fri Jan 9 14:31:11 2009