9#Anniehui ! y% W. O& S# ` i 6 ^. L3 k! X( F$ j+ zIs it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace& [* J' S3 f% I& N
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+ o0 X; s) w9 e$ B0 \- p6 sMy 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.