Advanced Stain Block Primer

Johnstone's Trade Advanced Stain Block Primer is a shellac-based, heavy duty stain blocker that is ideal for sealing tar, bitumen and creosoted surfaces to prevent bleeding through.
  • Quick drying - recoat in 30 mins
  • Locks in stains and odours
  • Heavy duty stain blocker
  • Interior, exterior spot primer
  • Seals tar, bitumen and creosoted surfaces

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Safety Warning

Danger

Highly flammable liquid and vapour.
Causes serious eye irritation.
Johnstone's Trade Advanced Stain Block Primer is a shellac-based, heavy duty stain blocker that is ideal for sealing tar, bitumen and creosoted surfaces to prevent bleeding through. Our Advanced Stain Block Primer seals stains in timber, wood composites, plaster, cement and brickwork, as well as locking in unwanted odours. This rapid drying product can be recoated in 30 minutes, making it an ideal spot primer for interior and exterior work.
Finish type
  • Matt
Application Methods
  • Brush