9#Anniehui 8 U- }. d$ e- k. N, G! [/ h+ ^5 J$ k$ [/ I: ^
Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
* X1 R& k+ G2 m4 H' q1 IMy 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.