Quote Originally Posted by hoo-t View Post
Well, I'll throw this in... birch plywood is combustible too. Presumably, you will be using a thermostat on your rack to control the heat put out by the flexwatt, and it shouldn't ever get to temps much over 100 degrees f. Not high enough to worry about combustion. Your main worries about finish is toxicity, and then mainly for the uncured finish. Finish it how you like, but make sure to allow it to cure completely before putting animals in.

Steve
So does anyone know if it's toxic or had first hand experience? Come on people, first hand accounts of sealants, be specific!