This might be the weirdest comment made by a professional company who claims to be expert in air sealing houses! However, there are complications and controversies which must be understood before air sealing a building.
Air sealing an older house can have both positive and negative implications. While it enhances energy efficiency, indoor air quality and comfort, several risks merit consideration:
- Health Risks: Poorly executed air sealing can lead to a decrease in indoor air quality, potentially impacting occupants’ health, particularly those with respiratory conditions or allergies.
- Indoor Air Quality Concerns: In tightly sealed homes, indoor pollutants can accumulate, potentially leading to poor indoor air quality if proper ventilation systems aren’t in place.
- Moisture Accumulation: Air sealing without addressing moisture issues can trap excess moisture indoors, fostering conditions for mold and mildew growth.
- Structural Impacts: Older houses might have relied on natural ventilation to manage moisture. Sealing may disrupt this balance, causing moisture-related damage to structural components like wood and insulation.
- Building Durability: Older structures may have unique vulnerabilities. Improper air sealing techniques might exacerbate pre-existing structural issues.
To mitigate these risks, it’s advisable to engage professionals well-versed in retrofitting older homes. They can conduct a thorough assessment, address moisture concerns, employ appropriate ventilation strategies, and execute air sealing measures tailored to the specific needs of the house. This approach helps balance energy efficiency gains with maintaining optimal indoor air quality and structural integrity.
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