9#Anniehui 3 g1 K3 ~1 B; z6 k7 v1 n% y+ m9 A/ `' B& |3 N
Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
13#ceramistpalace : j3 @) ?& p+ |5 D" G0 m; \: c& R8 x& p5 @/ }+ Z( H" L
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It's two layers of greenhouse plastic that is inflated with air.
) M. K% \3 l& m 2 H& `! R, D0 f& 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.