Dulux Trade Alkali Resisting Primer is a solvent-based primer particularly suitable for use on interior and exterior masonry surfaces, including plaster, that may contain alkalis. It is also highly recommended for its outstanding stain sealing properties, and will help seal fire damaged surfaces after very thorough cleaning and rinsing. Can also be used to prime surfaces treated with fire retardant chemicals.
For plaster and masonry surfaces
Seals fresh, alkaline surfaces
Blocks stains such as nicotine and fire damage