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I have seen people use Tyvek as an alternative. It is cheap and light. You might even be able to score it for free. Needs little work to adjust it to the tent but you should be good after that.
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I have seen people use Tyvek as an alternative. It is cheap and light. You might even be able to score it for free. Needs little work to adjust it to the tent but you should be good after that.