9#Anniehui & [4 Z g( O9 q. z; S1 X3 T + [6 k) j5 l' s' NIs it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace 1 U, _3 Y5 L0 l$ m; B9 p) N : a" ~7 Q9 X/ z: i5 D! t, Z/ g' w; v. K6 A |6 p+ d4 U3 w( J
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.