9#Anniehui ) c: [1 u% u1 o7 D# C 4 C4 l1 l$ S. y) ~8 X2 [& k0 zIs it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
13#ceramistpalace 1 Q# [7 i; \% q' N3 Z- o. x1 M5 y% O$ X, J8 U, e0 B
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It's two layers of greenhouse plastic that is inflated with air.
15#ceramistpalace 8 H( K7 o( r6 F/ N) f1 J. l( @+ O 3 z/ O1 k5 x4 ^: B5 n5 A: A1 z+ {) J % x9 |8 w4 u6 _6 \My 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.