thats strange.... there has not been a home improvement store that I've been to yet that doesn't carry great stuff foam are any type of spray foam!
I haven't seen the panels with the reflective covering for sometime, and not sure if they still make such a product. But you should be able to find panels, without it, very easilyYeah im not talking about great stuff. I talkin about the foam that's already hard and if its the sheet panel stuff do ppl just rip off the reflector part that's on them then.
Home depot and lowe's both definitely sell the panels with plastic sheets or whatever covering both sides. All the ones I've been to have sold that. I haven't looked for it to not have that though, haven't had a need before (haven't used it in a terrarium yet though)I haven't seen the panels with the reflective covering for sometime, and not sure if they still make such a product. But you should be able to find panels, without it, very easily