Start right interior latex vapor barrier primer, gallon – 775836 start right interior latex vapor barrier primer is specially formulated to reduce moisture vapor transmission through the walls of your home. By maintaining humidity in your home during the winter, your home will be more comfortable. Designed for us on all interior walls made of drywall or plaster. Helps lower your heating bill by allowing insulation to work more effectively. All interior walls and ceiling surfaces such as drywall, plaster, wood, stone & concrete. Ideal for use over drywall mud and tape joint compound. This product meets moisture vapor barrier specification when tested under astmd-1653-91a and astm e-96.
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