Joto-Vent System

The Joto-Vent System consists of 2 or 3 parts depending on whether you have an adjoining garage. The Joto-Vent and the Joto-Vent Architectural-covering are always required and meet the minimum opening requirement of 1/8-inch (3.2 mm) in IRC‘s Section R408.2. The Joto-Vent Air-blocking is used to block the air when the crawl space is built next to the garage to eliminate contaminated air flow into the crawl space.

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