Moisture barrier with great enamel holdout.
Vapor Barrier Primer Sealer solves moisture issues on interior walls and ceilings that contact the outside of any unheated area. To be effective, a product must have a perm rating of less than 1.0. Vapor Barrier Primer Sealer is specifically formulated to provide a perm rating of 0.6 when applied as recommended. This compares favorably with a typical 2 mil sheet of medium density polyethylene. Vapor Barrier Primer Sealer applies and cleans up with the ease of latex wall paint.