Dulux PRECISION Ceiling Stain Blocker Spray 350g 1370246

The Dulux PRECISION Ceiling Stain Blocker Spray is a high-performance oil-based solution designed to prevent stubborn stains from bleeding through ceiling and wall topcoats. Formulated for powerful stain blocking, it helps seal a wide range of water and oil-based marks, delivering a cleaner, more professional finish.

Ideal for interior and exterior ceiling applications, this fast-drying spray effectively stops stains such as grease, smoke, nicotine, mould, ink, rust and sap streaks from migrating through paint layers. Its specialised formula ensures long-lasting protection and improved topcoat performance.

Featuring a vertical spray nozzle, this product allows for easy and controlled application on overhead surfaces such as ceilings, reducing mess and improving coverage consistency. Suitable for use on multiple substrates including plasterboard, timber, MDF, masonry and primed metal surfaces.

Key Highlights

• Powerful stain blocking formula prevents stain bleed-through
• Seals water and oil-based stains including smoke, mould and grease
• Vertical spray nozzle designed for easy ceiling application
• Fast-drying formula touch dry in approximately 45 minutes
• Suitable for interior and exterior ceiling surfaces
• Helps improve durability and finish of topcoat paint
• Compatible with plasterboard, timber, MDF, masonry and metal
• Ideal for renovation and repainting preparation work

Technical Specifications

• Brand: Dulux
• Product Type: Ceiling Stain Blocker Spray
• Model Name: Dulux PRECISION Ceiling Stain Blocker Spray 350G
• Model Number: 1370246
• Volume: 350g (0.35L)
• Application Method: Aerosol spray (vertical application)
• Base Type: Oil-based stain blocker
• Recommended Surfaces:
  • Plasterboard
  • Timber
  • MDF
  • Chipboard
  • Plywood
  • Brick
  • Render
  • Masonry
  • Concrete
  • Cement sheet
  • Zincalume
  • Galvanised iron
  • PVC
  • Aluminium
  • Steel
• Dry Time: Touch dry approx. 45 minutes
• Application Distance: 15–25cm from surface

Compatibility & Safety Notice

• Use only in well-ventilated areas
• Wear appropriate respiratory and eye protection during application
• Keep away from heat, sparks and open flames
• Do not inhale spray mist
• Do not puncture or incinerate can even when empty
• Ensure surface is clean, dry and properly prepared before application