In this episode Matt & Steve discuss the enigmatic world of vapor in building construction. While vapor and moisture are ubiquitous, they often evoke confusion and misconceptions. This episode highlights the importance of understanding vapor's behavior, emphasizing that vapor itself isn't problematic—condensation is the real concern. Relative humidity is discussed, demonstrating how it varies with temperature. Vapor is neither entirely harmful nor beneficial; instead, it's about managing it effectively. Matt & Steve introduce the concept of uniform load regarding moisture, stressing the importance of vapor barriers and smart retarder systems. They advocate using materials with appropriate permeance and achieving a balance between wetting and drying potential. The episode concludes by dispelling myths and urging a more scientific approach to vapor management in construction.
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