9#Anniehui 5 P/ M* i/ p7 Z; D: M& x( q' A/ W( H: k
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 4 G* ^8 S5 [( ^ * o, d! I% ` w! J& _ u1 d 5 U: d# }# a3 b- p w7 JMy 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.