Ultima Shield Alkali Resisting Primer

US2080
5 Gallon, 2.5 Gallon, 1 Gallon

Technical data sheet

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

  • Excellent adhesion and sealing for interior & exterior surfaces
  • Prevent the alkalinity from cement
  • Enhance the adhesion between the surface with primer and topcoat
  • Water-based acrylic formula is low odor
  • Low VOCs
  • Enhances durability for over 15 years with topcoat Hato Ultima Shield



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 Hato Ultima Shield Alkali resisting primer US2080 Clean water 20-30%