9#Anniehui ; L5 z* ~6 T% s5 D, m, Y4 L8 |( y/ J/ ^: B& {( V
Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace , e3 e4 N# E S8 k ( T7 H$ J7 f. Y- p' d* F. J+ x0 e/ U" j: Q! ^
My 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.