Benjamin Moore paints

INSL-X BLOCK OUT® PRIMER

insl-x block out primer can

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.


  • Quick return to service
  • Blocks out most types of stains - Prevents stains from bleeding through the finish coat
  • 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

Apply when surface and air temperatures are between 7.2C and 32.2C (45F-90F). Do not use as a house paint primer on siding or as a full house exterior primer on any substrate.

CodeProductColoursBasesVol Sol.RecoatCov. sq. m.
(Cov. sq.ft.)
DFT millsVOC g./l.Specifications
NO-4000Block OutWhiteN/A56.9%2 Hours30.2-39.5
(325-425)
2.2 - 2.8343MPI 45, 136

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