Greenhouse: Polycarbonate multiwall siding, 1 by soulfulwind

soulfulwind wrote:
I am preparing to build my greenhouse and plan on using 8mm triple wall polycarbonate siding. The problem I have ran into is that I can't find it in stores (i.e. Lowe's, Homedepot, etc.). I have been able to find it online, but the shipping and crating charges are very expensive ($150+)! Has anyone been able to find it at a large retail store, or know of another way to get it without having it shipped? I live around Phoenix, so if anyone knows any local suppliers, advice would be welcome! Thanks.