Traditionally, building codes have required crawl spaces to be vented for air circulation to prevent moisture buildup. However, recent research suggests that sealed crawl spaces can be more effective for moisture control and energy efficiency.
Historically, vented crawl spaces were viewed as a method to control moisture and prevent foundation damage. However, this approach comes with drawbacks such as:
Moisture control is essential for both vented and sealed crawl spaces. Key measures include:
For homeowners struggling with moisture issues, professional solutions could offer significant benefits:
Regularly inspect crawl spaces for signs of moisture issues such as condensation, musty odors, mold, and wood rot. Persistent moisture problems or structural damage warrant professional assessment and solutions.
For more information, you can refer to resources such as the Attic and Crawl Space Vents fact sheet and the Under-Floor Space Ventilation Fact Sheet which provide detailed insights on home ventilation strategies.
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