Ever heard of this stuff called Alucraft??

I'm wondering how good that is.. I'm going to put it in my grow room..
PaRaNoIa Reviewed by PaRaNoIa on . Cheap Mylar Substitute I read a comment of a previous thred that Mylar can be bought at walmart, in the form of thoes shiney emergency blankets for under 2 dollars. Is this accurate? are thoes emergency blankets nothing more than mylar? Rating: 5