Originally Posted by
fatshark
Don't be reassured that I'm trying it as well … there's any number of things I've tried which have been unmitigated failures. However, polythene crownboards isn't one of them. I use pretty thick polythene, perhaps 0.5mm. As I said earlier, the stuff they wrap new sofas in and that ignorant so and so's dump in lay-by's. Damp proof membrane is perhaps slightly thicker but just as good. None of mine have been chewed. They overhang the box by a couple of cm or so and so the bees don't have access to the edges.
They make short work of cling film, so I think even 'sturdy polythene bags' perhaps aren't robust enough to withstand their mandibles.
Your description of 'floating down' onto the bees is perfect. It's light enough that they're not crushed, but heavy enough that they eventually move … by which time you're about ready to put the roof on.
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