9#Anniehui ; ~, }! J4 Z8 Q( c: r( a' P9 P- {& `
Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
9 f. Q& _7 b, w# d6 [+ ` / u" g- R+ U8 X+ V& ]% aMy 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.