Hi! Building a cold frame greenhouse out of repurposed single-panel windows. I pulled a bunch of these out of rotting wooden window frames. Thought about doubling up the windows and putting bubble wrap in between the glass panels. Would that make much of a difference in heat retention? Like enough of a difference to be worth it? Or should I just keep them single layered?

Thanks!

by Comfortable_Cell_757

1 Comment

  1. Dry_Cockroach1090

    If you’re building cold frames, just put blanket-like materials over the glass on the coldest nights.

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