Re: Free bubble wrap?
To Blownz: The best way to insulate your greenhouse is to use two layers of greenhouse grade 6 mil plastic, (treated for UV resistance) not the stuff from the big box stores, or what is called "construction grade".
For max efficiency. trhe two layers should have an inflation fan blowing air between the two, keweping them separated.
PS - I will answer your PM tomorrow.
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John
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