Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture ...

The barrier can be a paint, spray, or foam that comes in various materials. Membrane/Sheeting The membrane/sheeting form of vapor barrier is a solid, flexible material designed for building wraps, ...

However, vapor retarders and barriers are not the same ... related flooring problems for the life of the building. Notes: (1) If granular material is subject to future moisture infiltration ...