Ideal Crawl Space Humidity

The right crawl space humidity level is an important factor to know when you re trying to maintain your home s crawl space integrity.

Ideal crawl space humidity. It s important that you keep to a 30 60 humidity in your crawl space ideally leveling out at around 55. However even this number can change considerably based on several factors. Crawl space humidity leads to all of the following problems in your home. Basement ideal humidity follows the standard measurement of 30 60 humidity level.

Crawl space temperature and humidity chart. No matter what your current crawl space humidity is you can get it to that magical number. Humidity can enter the crawl space when saturated outside air is allowed to flow into a dry crawl space or when water is allowed to stand in the area. Crawl space humidity should generally remain at or below 55.

Eventually mold causes wood decay that can destroy structural parts of the house. Wood that stays damp in a dark crawl space is an ideal mold habitat. One of our customers from charleston sc is a data crunching kind of guy. All you have to do is get in touch with a jes expert.

Molds and mildew thrive in high humidity environment. It may also occur when the air inside the home is cooler than the air outside the home or that in the crawl space. He made this chart of his readings for us. High humidity creates many problems for your home.

When it hits the cooler air of the crawl space it increases the relative humidity by about 2 per degree. On a hot humid summer day the air venting into the crawl space could be as much as 75 relative humidity and 85 degrees. That doesn t help with a moisture problem. The exposed dirt floor emits moisture into the air this is compounded by the high summer humidity that is.

To answer the question you need to understand why you need to keep humidity levels low in your crawl space in the first place. Be it crawl spaces inside your home or basement optimal humidity levels remain the same at across the levels. This means your crawl space humidity goes up by about 22 degrees. Here s what you need to know.

Wood boring insects like the powder post beetle the. As humidity builds in your crawl space it creates an ideal space for mold and rot to grow. Crawl space moisture condensation and humidity problems moisture. Generally they need a minimum relative humidity of 70 for growth and development.

As a general rule you should typically keep your crawl space humidity level under 55.