DOWSIL Construction Primer P is a one-component proprietary resin system designed to promote adhesion of silicone sealants to masonry surfaces. It imparts maximum water resistance to the bond in areas where residual water may be present, such as horizontal applications.


  • Promotes adhesion of silicone sealants to masonry, stone, concrete and metal surfaces
  • Convenient one-part formulation
  • Film-forming primer resists adhesion degradation due to water immersion
  • Resin will not discolor when exposed to sunlight


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