9#Anniehui ) O4 ~) w2 y' Q: s& ^, Q# | q9 v4 a7 M! x0 Y
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 + U8 a) k. {3 i& z/ N6 [5 R # b# K3 O* J3 j & ~' U1 e( e' |( s4 M5 w" @9 i3 k DIt's two layers of greenhouse plastic that is inflated with air.
/ i( {/ O# j. ^7 K7 b" h 6 o+ P, ~, F# n2 y4 T3 RMy 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.