protected cold frames
totototo@telus.net (Thu, 22 Jan 2009 19:18:30 PST)
On 21 Jan 2009, at 11:07, Jane McGary wrote:
Regarding cold frames, UIi mentioned "polycarbonate (Plexiglas)" but
I think these are two different things, at least as the terms are
used in North America.
Plexiglas is polymethylmethacrylate, and is a fairly old product. Lexan is a
polycarbonate and was first introduced in the early 1960s.
--
Rodger Whitlock
Victoria, British Columbia, Canada
Maritime Zone 8, a cool Mediterranean climate
on beautiful Vancouver Island