Reviewed guide
Reduce Window Drafts Without Replacing the Window
Reduce ordinary window drafts with a reversible-to-durable sequence: verify the leak, restore operation, use compatible seals, and preserve egress.
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Window Sealing
Reduce common operable-window gaps with reversible, low-risk methods.
Safety boundary
Observation and low-risk surface weather-sealing that does not modify combustion, egress, wiring, structure, or drainage. For immediate danger, leave the area and contact emergency services or the appropriate utility. Do not approach energized, contaminated, unstable, or otherwise hazardous areas.