Vapor Shield Primer

Low-Permeable PVA Latex | Interior Primer

Vapor Shield is a production white interior styrene latex, vapor-barrier primer/sealer for walls and ceilings of new construction projects.

Within the family of Rodda’s premium Vapor Block, the Vapor Shield formula is designed for production spray applications often specified in new residential homes and commercial construction. A low-permeable latex primer sealer designed for use on the interior side of exterior walls and ceilings to provide a moisture vapor barrier Permeable Rating of less than 1.0 in accordance with ASTM D 1653 and ASTM E-96. This product will help maintain insulation efficiency by reducing the loss of moisture through exterior walls and ceilings.

  • Features
    • Provides a moisture vapor barrier Perm Rating of less than 1.0 per ASTM-E-96 & ASTM D 1653

    • Dries within 30 minutes

    • Takes the place of regular drywall primer on interior surfaces of perimeter walls and ceilings

    • MPI ASTM E-96, ASTM D-1653



  • Applications
    • Cleans-up with warm water

    • Can be tinted with up to 2 ounces of colorant to aid color change topcoats

    • Application of 2.2 mils DFT will achieve a PERM Rating less than 1.0

    • Designed for spraying, Vapor Shield can be brushed and rolled, then top-coated with specified waterborne or alkyd finish coats, like Rodda Paint’s premium Lasyn or Horizon lines, and Unique II



  • Product Info Sheet & Technical Data Sheet
    TDS Documents


  • Product Details & Safety Data Sheets
    SKU # SHEEN SIZE BASE GLOSS LEVEL MPI # SDS
    5329765 n-a 5g white GL0 ASTM E-96, ASTM D-1653 SDS