Crawl Space Ventilation Requirements in Portsmouth & Wenham

Crawl space is needed to have clearer indoor air at home. If there isn't any ventilation system or poor ventilation then mold might grow due to moisture and damp environment. 

To ensure proper ventilation in the crawl space, you should have one square foot of screened venting for every 150 square feet of crawl space area. For instance, if your crawl space measures 30 feet by 30 feet, you'll require vents with a total square footage of 6 square feet, according to IRC.

Call Northeast Basement Solutions for any solution regarding your basement at 978-678-4080 in Portsmouth, Wenham, Dover, Melrose, and other cities that we serve. Or contact us online.

Crawl space insulation

Types of Crawl Space Vents

  • Standard Vents: The most basic vents are standard vents. They have simple grilles that allow air to pass easily.
  • Automatic Vents: These vents have humidity sensitivity that effectively maintains the optimal condition of the crawl space.
  • Powered Vents: These vents use electric fans to effectively maintain the airflow in the crawl space.

Vent Location and Placement

Vents should be placed in a way that should allow air to flow freely throughout the crawl space and encourage cross ventilation. The location better be near the perimeter. This will help prevent dead air zones.

After repairing water damaged basement

Keeping Your Basement In Good Condition

  • Vent Covers or Sealing: Covering and sealing the crawl space is a necessary step for preventing moisture, pests, and cold air during certain seasons.
  • Dehumidification: Dehumidifiers are used for controlling mold humidity levels in crawl space. This can prevent mold from growing inside the crawl space.

Rely on Us with Your Basement

Depending on factors such as climate, local building codes, and the condition of your crawl space the approach to crawl space ventilation may vary. Turn to the Northeast Basement for your house crawl space ventilation. Give us a call at 978-678-4080 or just click here to get the best services of waterproofing, crawl space, moisture control, and basement finishing. Act now and prevent future hazards.

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Waterproof your crawl space with a sump pump installation with Northeast Basement Solutions in Portsmouth. Get a free inspection today.

Tired of your crawl space drainage problem? Northeast Basement Solutions drainage specialists have more than 20 years of experience in Portsmouth.

Northeast Basement Solutions professionals are here to take care of your wet crawl space and give you a piece of mind in Portsmouth.

Why Customers Trust Us With Their Basement

Northeast Basement Solutions
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  • Brentwood, NH
  • 5 Stars

The sump pump installation was done as a first step of a larger basement remodel project. The job was done quickly, done right, and the team made sure to explain what they were doing and why at every step, including a run through of how the system worked and what to expect once it was in. I have since hired Northeast Basement Solutions to do the full project and am having the same good experience thus far. Highest recommendation

  • Lowell, MA
  • 5 Stars

Mark and Miguel are A+ professionals! We used Northeast Basement Solutions for a foundation issue in our new home. They not only came in with a very reasonable quote, they started on the project quickly and took the time to educate us on several things we asked about. They were very responsive and communicated every step of the way. We will definitely be calling them for future waterproofing work. Thanks Northeast!

  • Dover, NH
  • 5 Stars

Would use Dan and team again!

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