9#Anniehui- ~6 R" Y) T: F" a6 r$ b
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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 8 |6 |2 j# M! Q2 V; `6 x1 _ w; Y; B' o' W f4 b7 i) C, @! d' M5 P9 Q' Y/ p- m
It's two layers of greenhouse plastic that is inflated with air.
15#ceramistpalace1 d. z- v+ j, t1 [6 n7 s
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9 l8 g4 H5 R7 o5 m$ `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.