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Q&A Could spray foam insulation be used effectively as an emergency sleeping bag?

Is it harmful for our health? How thick should the foam be around the body to be okay down to 0degC with warm clothes underneath? Is there enough foam for this in a 500ml can (average man)? Or two?...

2 answers  ·  posted 9y ago by Mister Myst&#xE8;re‭  ·  last activity 9y ago by System‭

Question sleeping-bags survival backpacking