DULUX Acrylic Sealer Undercoat with Ultrasmooth

Code: 630-84191

A low VOC acrylic sealer undercoat with excellent hiding power and filling properties for use on interior plasterboard and textured surfaces.


  • Ultrasmooth technology
  • <5g/L VOC
  • Low odour


  • Excellent hiding power and sanding properties
  • Fills minor cracks and defects leaving a smooth finish
  • Excellent spreading, wet edge, quick to apply, quick drying
  • Seals and undercoats in one step
  • Can be used under any topcoat (water or oil based)


Roller, Brush, Airspray, Con-Spray.

Coverage - 12 square metres per L

Surface Preparation

Previously painted surfaces: Thoroughly clean all surfaces free of loose dust, surface chalk, grease, mould, mildew, wax and loose or flaking paint. Wash with sugar soap. Treat mould contaminated areas with antimould. Rinse with clean water. Fill nail holes, imperfections and cracks with a suitable filler, sand and dust off. For use on paperfaced plasterboard and masonry. On bare set plaster, use 1 coat of DULUX Sealer Binder.

Clean Up

Clean all equipment immediately with water.


DULUX Acrylic Sealer Undercoat is a low VOC and low odour premium acrylic sealer and undercoat for interior use. DuluxAcrylic Sealer Undercoat’s unique Ultrasmooth™ Technology helps to eliminate the traditional problems of surface imperfections, as its high build allows it to fill minor cracks and defects.


1L, 4L, 10L, 15L


White. May be tinted with DULUX Decorama Tinters up to 25 ml per litre.

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Material Safety Data Sheet

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Dulux Facts

Colours can appear to change in larger areas and under different light. To test your colour use Dulux Sample Pots in different areas of your home.






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