Skip to Main Content

Open Crawl Space Vent Problems

open crawl space vent on a house

Fresh air never hurts anybody, but open crawl space vents can harm your home. Once thought to aid in home ventilation, these openings have proven counterproductive and harmful.

From mold to pest infestation, crawl space vents encourage unhealthy conditions beneath your home that impact the rest of your living space. Proper crawl space vent sealing and encapsulation are the best ways to nip these problems in the bud.

With over 20 years of experience in crawl space encapsulation in Winston-Salem, Raleigh, and Wilmington, Tar Heel Basement Systems effectively addresses these problems. We convert your crawl space into a dry, energy-efficient area with specialized encapsulation products. 

What Are Crawl Space Vents and Why Do Homes Have Them? 

Crawl space vents are openings in crawl space walls, screened to deter pests like insects. Some vents lack closing mechanisms and remain permanently open, while others can be closed at the homeowner’s discretion.

Until the mid-20th century, building standards recommended installing crawl space vents to enhance air circulation and manage moisture. However, this approach has since been debunked. Studies in the 1990s revealed that these vents often introduce moisture, decrease energy efficiency, and complicate indoor temperature control. 

As a result, crawl space vent use has declined, and building codes have evolved to favor techniques such as vent sealing and encapsulation. 

The Problems with Open Crawl Space Vents 

Initially designed to comply with building codes and combat moisture, open crawl space vents have proven less effective than anticipated. These vents can cause several crawl space issues, including: 

These issues compromise your home’s structural integrity and your health, and they worsen with neglect. If you notice these signs or see open vents in your home, contact crawl space specialists like Tar Heel Basement Systems immediately. 

Addressing Open Crawl Space Vents 

Open crawl space vents can be effectively remedied, but we don’t recommend DIY crawl space vent sealing or repair. Such quick fixes are temporary solutions that fail to address the underlying problem.

A comprehensive approach is the best way to repair and protect your crawl space. That’s what you get when you entrust your crawl space vent sealing and encapsulation to Tar Heel Basement Systems.

How Tar Heel Basement Systems Fixes Open Crawl Space Vents 

Here’s an overview of our crawl space encapsulation process that addresses open crawl space vents: 

installing a block of insulation to seal a crawl space vent

Choosing Tar Heel Basement Systems means opting for a solution that utilizes proprietary products designed for durability and effectiveness. With over 20 years of experience, our team understands the complexities of crawl space moisture and provides lasting solutions for homes in Winston-Salem, Wilmington, Raleigh, and surrounding areas. 

The Importance of Addressing Open Crawl Space Vents 

Taking immediate action to address open crawl space vents is crucial for maintaining the integrity and value of your home. The reasons for this urgency include: 

Preventing Structural Damage

Open crawl space vents allow moisture and water intrusion, which lead to wood rot, rust, and foundation weakening. Over time, this causes significant structural damage, leading to costly repairs.  

Enhancing Indoor Air Quality

The crawl space influences your home’s overall indoor environment. Open vents permit moisture infiltration, leading to mold and mildew that significantly degrade air quality. Sealing these vents and encapsulating the area enhances indoor air quality, creating a healthier living space by reducing allergens and irritants. 

Boosting Energy Efficiency

Unsealed crawl space vents can cause an influx of hot or cold air, forcing heating and cooling systems to work harder to maintain a comfortable indoor temperature. This inefficiency results in higher energy consumption and increased utility bills.  

Pest Deterrence

Open vents invite pests, such as rodents, insects, and other critters, causing damage and creating unsanitary conditions. Vent sealing and crawl space encapsulation create a barrier, making it difficult for pests to enter and contributing to a cleaner and more secure home environment. 

Enhancing Property Value

A well-maintained crawl space with proper encapsulation and ventilation solutions adds significant real estate value. Homes with resolved crawl space issues are more appealing to buyers and can command higher market values.

Get Expert Crawl Space Vent Sealing Services Near You!

Tar Heel Basement Systems inspector ready to improve your crawl space

If your home has open crawl space vents, don’t delay in addressing the issue. It could lead to mold, structural instability, and other issues, jeopardizing your home and your family’s safety. Trust local crawl space repair professionals like Tar Heel Basement Systems to encapsulate your crawl space with comprehensive industry-leading solutions.  

Do you live in Raleigh, Winston-Salem, or Wilmington? We perform detailed inspections, identify the underlying cause of damage, and provide lasting solutions tailored to your home. Contact us today for a free crawl space inspection and no-obligation repair estimate. 

    Contact Us

    For Your Free Inspection

    * All fields are required.

    Crawl Space Vent FAQs

    DIY solutions might cover vents, but professional services like those from Tar Heel Basement Systems ensure a complete and enduring solution. Our process involves full waterproofing and encapsulation of the crawl space, not just vent covering. Schedule a free inspection to learn more.

    The duration varies depending on the condition of your crawl space and the solutions applied. Our team works efficiently to minimize inconvenience. A free inspection will provide an accurate timeline and no-obligation estimate.

    Costs depend on the size and condition of your crawl space and the specific repairs needed. Tar Heel Basement Systems offers value for money with transparent pricing and various financing options. Contact us for a free inspection and a detailed estimate. 

    Publish Date:

    Last Modified Date:

    TarHeel Basement Systems Service Map

    Our Locations

    Fayetteville Location

    3400 Walsh Pky, Suite 220
    Fayetteville, NC 28311

    Greensboro Location

    611 Summit Ave, Suite 5
    Greensboro, NC 27405

    North Raleigh

    208 Millbrook Rd. Suite C
    Raleigh, NC 27609

    Raleigh / Durham / Chapel Hill Location

    3333 Air Park Road
    Fuquay-Varina, NC 27526

    Wilmington Location

    2155 Enterprise Dr. NE
    Leland, NC 28451

    Winston-salem / High Point Location

    2910 Griffith Rd
    Winston-Salem, NC 27103