What does vapor barrier mean in construction?
Short definition
A vapor barrier is a material used to reduce vapor movement through a building assembly or under a slab.
Longer explanation
Vapor barriers help control moisture migration that can affect flooring, insulation, indoor air quality, and building durability.
Example in context
“The project team reviewed the vapor barrier during the construction phase.”
Common users
- Owners
- Architects
- Contractors
- Construction managers