Control Humidity With Foundation Ventilation Which Suits Your House

Sep 19th

Foundation vent covers – According to conventional wisdom, foundation vents sometimes referred to as crawlspace vents – should really be closed in winter and open in summer. But a growing consensus within the business of construction science maintains that these vents must be sealed or coated throughout the year to reduce moisture damage from the structural components of wood under the floors of a house. Ventilation systems Foundation.

Crawl Space Vent Covers Bad Idea
Crawl Space Vent Covers Bad Idea

In older homes,

The foundation vent covers were set up as permanent grilles which can be opened or closed to control moisture. Many modern homes are equipped with a venting system which uses energy and automatic two way fans to move air in and outside of the cavities of difficult access under the ground. Newer systems use a venting grille to accommodate larger ventilation enhanced transport atmosphere. Constructed covers are available in a variety of sizes to seal and insulate the port.

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Image of: Foundation Vent Covers Home Depot
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Why the base vent covers open throughout the summer?

In most areas, construction codes have long needed new homes built with vents of their foundation. In older homes, the vents offer a passive flow of air to inaccessible beneath the floor joists of home cavities. Normally, the soil of those cavities is hard earth instead of concrete, which means that moisture can seep in the dirt during the summer months and cause wooden beams and subflooring to become mildewed and eventually rot. Vents or fans are made to permit moisture to escape from the cavity.

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Why the Foundation Vents must be shut throughout the summertime?

The notions that drove homeowners to start the base vents in the summer could be out of date since they predated the era of central air conditioning. In a home where soil temperatures are 15 to 20 degrees cooler than stagnant humid atmosphere in a area of this base, outside moisture can float beams, creating a perfect environment for mold development — and finally the putrefaction of wood. When you shut the vents of the foundation, minimizing the risk. If the foundation has a pit floor should be covered with a vapor barrier to eliminate moisture from the soil  source.

Tips Covering Foundation Vents

Owners who choose to shut their vents foundation will go a step further and cover vents with indoor closets. The cover prevents free flow of moisture and air while helps stabilize the temperature within the cavity. As a bonus, the cover may offer some noise insulation. Covers can be found in an assortment of sizes and regular colors through building distribution points, or you can cut a deck the size of a block of extruded polystyrene foam using a knife ordinary use.

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