Why Joto-Vent System?

How the Joto-Vent System® works and helps maintain the value of your house

Maximizes Cross Ventilation

The Joto-Vent System is a crawl space ventilation system utilizing natural air flow. Unlike the traditional spot ventilation method, it allows maximum cross ventilation of air flow into the crawl space from the complete circumference of the building foundation, leaving NO dead air pockets in the entire crawl space.

Maintains Your Home Value

With the combination of the Joto-Vent perimeter venting system and it's covering it will increase the lifespan of your house's wooden frame along with giving your house a nice clean finished architectural look.

This is accomplished by our continuous perimeter vent system that increases the cross ventilation keeping your crawl space nice and dry and the wood under your house moisture free.

The Joto-Vent System® maximizes natural air flow and cross ventilation, which preserves the lifespan of your home's frame.


Since the Joto-Vent sits on top of the concrete foundation and under the sill plate, the sill plate is NOT in direct contact with the concrete. Thus, per IBC / IRC code the sill plate does not required to be treated lumber. This is a great cost-saving solution while allowing the builder to apply for more BUILT GREEN points.

Proven Track Record of Durability

When you are designing your dream house, you always want to design with the highest quality and highest value products you can find. The Joto-Vent System® has a successful 45-year history in Japan with it being used on about 5.3 million residential homes (as of 2021) and counting. Nearly all houses being built with crawl space in Japan use this type of foundation vent system. The Joto-Vent System has been used in the US successfully since 2015, and well recognized by the building industry.

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Find more information in The Joto-Vent System® catalog.

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