Using mesh as a waterproof material

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To achieve waterproofing with mesh, the size of the openings must be small enough to prevent water from breaking through due to surface tension. Additionally, the pressure of the water against the mesh is a crucial factor to consider. A user seeks to keep their window open during rain while protecting their belongings from getting wet. They propose using a weed blocker material treated with a waterproofing spray. This approach could potentially provide a solution for enjoying fresh air without the risk of water damage.
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How small would screen mesh have to be so that it would be consider waterproof? (ex: screen mesh small enough so that it would not break the surface tension of the water)
 
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Tylercc said:
How small would screen mesh have to be so that it would be consider waterproof? (ex: screen mesh small enough so that it would not break the surface tension of the water)

I suggest you would also have to consider the pressure of the water against the mesh

so tell us more about what you are trying to achieve :smile:Dave
 
I would like to have my window open when it's raining and feel the fresh air, without my stuff getting wet. I was thinking some weed blocker sprayed with some https://www.liquidoff.com . Thought?
 
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