Sorry I missed this post.



The bubble/foil wrap (most common brand is Refectix) is found at Home Improvement stores. But I've also heard of one or two people finding it sold by the foot at hardware stores. I'd look for it sold by the foot - a full roll would be way too much.



Otherwise, the foil/styrene insulation is sold in 4'x8' sheets so you won't have that much scrap.



And now that I've read Promist's post it does make sense that the foil/styrene insulation would work better. When using a product underneath the floor of a cage you also have some conversion to conductive heat. So the styrene/foil insulation would work better underneath a cage.



My testing of the reflectix has been entirely as a radiant heat blocker to reduce the conversion to conductive heat.
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Current snakes:



1.1 Gonyosoma oxycephala - (Silver/Yellow)



3.4 Gonyosoma oxycephala - (Green)



2.1 Gonyosoma janseni - (Black)

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