Mesh manages exposure rather than sealing it
Mesh can reduce wind and rain penetration while retaining airflow and view, but it remains porous and should not be described as waterproof.
Build Project BriefOutdoor Living & Architecture · Blind answer
Outdoor blinds can improve day-to-day weather control, but the outcome depends on fabric, wind direction, opening geometry and the level of enclosure expected.

Mesh can reduce wind and rain penetration while retaining airflow and view, but it remains porous and should not be described as waterproof.
Clear PVC can provide a more closed weather barrier but creates different airflow, condensation, handling and operating considerations.
Open corners, thresholds and changing wind direction mean an outdoor blind should not be represented as a guaranteed watertight wall.
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