SELF-CLOSING VENT ASSEMBLY FOR A BUILDING
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United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Oct 20, 2023
filing date -
Oct 20, 2023
priority date (Note) -
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Abstract
A self-closing vent has its frame and honeycomb screen coated with an intumescent material. When affixed to an external wall or eave of a building, the vent is normally open, allowing free flow of air into and out of the building, but when exposed to the heat of a fire, such as a wildfire, the intumescent material expands to close the vent, thereby preventing an external fire from entering the building. Enhancements include a weather-protective topcoat over the intumescent material, a fine mesh screen over the interior side of the honeycomb screen, and a protective set of louvers at the outside of the vent.
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