Block Out® Interior Primer


Block Out® Interior Primer is a modified synthetic primer-sealer carried in a special solvent that dries quickly and is effective over many different stains, including: water, tannin, smoke, rust, pencil, ink, nicotine, and coffee. Block Out primes, seals, and protects and can be used on bare or previously painted surfaces; interior drywall, plaster, wood, or masonry; and exterior masonry surfaces. Can be used as a spot primer for exterior wood shingles/composition siding.

  • Solvent-based sealer
  • Seals hard-to-cover stains
  • Quick-dry formula allows for same-day priming and topcoating
  • Top-coat with alkyd or latex paints of any sheen

Available Sheens: Primer

Available Colors: White

Cleanup: Mineral spirits

Resin Type: Alkyd/Styrene Acrylate

Recommended Use: Interior

MPI Rating: 45

VOC Level: < 350 g/L

Check with your local INSL-X DEALER for product availability.