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Sikalastic Primer is a one-component, high solids, aromatic polyurethane primer. 

Sikalastic Primer is cold applied, single component, low-odor moisture-curing polyurethane resin. It is designed for sealing cementious substrate to reduce the incidence of outgassing.

Where to Use

  • Suitable for use on most sound substrate surfaces where both a penetrative and surface- lying effect is required.


  • Significantly reduces the likehood of blistering and pin holing.
  • Fast curing formulation. n
  • Single component
  • Compatible with most concrete, mansonry, and stonesubstrate materials.
  • Low odor n Lo-VOC


225 to 375 ft.2/gal, depending on substrate profile and porosity 225 ft.2/gal on prepared , dry concrete and mansonry (CSP3 surface preparation) Note: On porous/open substrates, apply as two coats, each at maximum spread rate of 275 ft.2/gal

Cure Mechanism

  • Moisture-cure polyurethane

Chemical Resistance

  • Not intended for direct exposure


  • 5 gal. Pails

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