Sikaflex® Primer-429

Sikaflex primers are special materials formulated to improve the bond of Sikaflex urethane sealants when applied to specific substrates.

Sikaflex® Primer-429 promotes adhesion to clean, sound, and dry concrete, masonry, Exterior Insulation Finish Systems (EIFS), and wood — including teak and mahogany.

  • Single-component, ready to use.
  • Easily applied by brush, dauber, or spray.