9#Anniehui ) n. M# h: ?, b4 m + n( t4 N$ l9 ~' k& B5 F" _: {Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace - @: V: y9 z! o) F W0 [9 o4 I7 E( w B3 w0 d" }6 t. y/ V
5 W9 ~% E8 v0 r: \) V0 WMy husband seals the plastic layers himself, then use a small fan to blow air between the two layers. The plastic can only be bought at Horticulture supply stores.