89AF Sta-Tack Primer

Karnak #89 Sta-Tack Primer is a water-based polymer modified primer for self-adhering membranes. Karnak #89 Sta-Tack Primer penetrates pores and dries fast to provide a tacky surface.




Karnak #89 Sta-Tack Primer is designed for use as a primer prior to the installation of self-adhering membranes. This thin solution readily penetrates pores and dries fast to provide a tacky, firm substrate for adhesion of the membranes. Karnak #89 Sta-Tack Primer is suitable for use over asphalt, wood, plywood, gypsum board, concrete and metal surfaces.


All surfaces to be primed must be dry and free from dirt, dust, oil, grease and any other foreign matter.


Easily applied by brush or hand sprayer at the rate of 0.20 (1/5th gallon) gallon per 100 sq. ft.(500 sq.ft. per gallon).


Apply at the rate of 0.20 gallon per 100 sq.ft. (500 sq.ft. per gallon).


Uncured material may be cleaned with water. Cured material may be cleaned with Karna-Klean, mineral spirits or similar solvent.


Do not aplpy when rain is imminent. Protect from freezing. Primer must be dried before exposure to water. Store between 50 deg. F and 100 deg. F. Keep container closed when not in use. Do not thin. Keep out of reach of children. Do not take internally. Harmful if swallowed. Avoid contact with eyes and skin. Dispose of in an environmentally safe manner. Cover air intakes during application and while drying.


Available in 1 gallon cans and 5 gallon pails.

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Kanopy Reflective Roof Maintenance Solutions
  • Reduce Energy Use
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