9#Anniehui $ P- g' ~* W o. x7 |. N ( V& b' S6 ~ B. IIs it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace - C2 v3 p% {% W% n0 x3 q ) q( C) A% u2 r" k1 K0 Q$ \ 5 k+ y* ?& y! }$ b5 E, z: BMy 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.