NOC Alkali Resisting Primer

NO2040
5 Gallon, 2.5 Gallon, 1 Gallon

Technical data sheet

  • Features
  • Surface preparation
  • Coating system
NOC Alkali resisting primer is 100% acrylic masonry primer designed for application on both interior and exterior concrete, fiber cement board, concrete block, plaster and masonry surfaces. NOC Primer is formulated to resist high pH conditions, lime burns, discoloration and efflorescence. Performs equally well under latex or alkyd finishes.


  • Prevent the alkalinity from cement
  • Excellent adhesion and sealing for interior & exterior surfaces
  • Water-based acrylic formula is low odor
  • Low VOCs


Allow adequate time for the surface to dry out completely. The surface must be free from efflorescence. Brush down or scrape off any loose material and cement splashes.
Surfaces Primer Dilution
New surfaces Apply 1 coat of NOC Alkali resisting primer NO 2040 Clean water 20-30%