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

Membrane/Sheeting The membrane/sheeting form of vapor barrier is a solid, flexible material designed for building wraps, foundations, and other applications. Rigid Board Rigid board form vapor ...

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 ...