I want foil tape between the wood and the flexwatt because as a shiny surface, it will reflect heat. Just like a reflector behind a UVB light increases the UVB that reaches a lizard.

Also - my experience with electrical tape - when it gets warm, it isn't very goot at holding object in place. It can probably hold ther thermostat wire in place, but I'm not confident it would keep a piece of flexwatt from shifting over time. I am going to staple the wiring, so there shouldn't be any pull on the flexwatt, but I'm just a lot more confident about the foil tape actually holding it in place. I don't want to staple the flexwatt (I could - I'm using the 17" stuff and there is plenty place to) because I want it to be relatively easy to replace if/when it starts to fail.

Foil tape is what was recommended to me for holding it in place, and for placing under the flexwatt to increase the efficiency.
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3.0 WC; 0.3 CB L. getula californiae
1.0 CB L. getula nigrita
0.1.1 WC; 0.0.3 CH Elgaria multicarinata multicarinata

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