Ardex P-51 improves the adhesion of Ardex products over standard absorbent dry concrete substrates.
For standard, absorbent concrete (non-porous substrates such as burnished concrete, ceramic tile and epoxy coatings must be primed with Ardex P-82 Ultra Prime)
Concentrated primer - dilutes with water
Seals the substrate
Improves the bond of Ardex Underlayments
For interior use only
Solvent free
Coverage is 400 to 600 sq. ft. per gallon using a push broom
