#permeation

Tech Tips:

Air Barrier vs. Vapor Barrier vs. Insulation
By:Bryan Orr Think of it like this: It's a cold, wet, windy day. You can take an umbrella to protect you from the water alone, but that won't deal with the cold (temperature) or the wind (air convection). You can add in a light windbreaker, which will help keep the wind (convection) off. But if […]
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