Winter insulation

[GCrumb]

I have used sheets of corrugated plastic. It's easy to cut, you can punch holes through it for ventilation where you want and to wire it to the cage mesh. It's not transparent but the white lets in lots of light for the birds.

 

[Lark216]

I have used sheets of corrugated plastic. It's easy to cut, you can punch holes through it for ventilation where you want and to wire it to the cage mesh. It's not transparent but the white lets in lots of light for the birds.

That's what I wound up doing too! The shower curtains said "clear" but they're opaque