9#Anniehui : }; s' P2 o# [+ L" j$ N6 q/ Q# P & P( {# P! ~8 i7 M! dIs it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace * P/ P! ]3 T+ V8 k6 r) P! n * {; }& J4 [$ |8 f * P" m' H4 ~& o0 \" T! VMy 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.