89 Sta-Tack Primer

89 Sta-Tack Primer

Available in: 1 gallon & 5 gallon pails

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.




  • Easy to apply
  • Quick drying
  • Promtoes adhesion
  • Use as is, needs no intermixing
  • VOC: 115 g/L

Coverage Calculator

  • 0.2-0.2 Gallons per 100sf**


This is intended as a general guideline only, coverage can vary based on many factors.


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 and concrete surfaces.

Physical Properties

Weight per Gallon:                      8.61 lbs.
Solids by Weight:                         37%
Color:                                             Blue
Dry Time:                                      33 minutes @ 77°F and 50% RH
Cure Time:                                    2 hours @ 77°F and 50% RH
Service Temp:                              -40°F and 160°F
Coverage:                                      0.20 gal. per 100 sq.ft.
Application Temperatures:       40°F and rising.

Preparation & Application

All surfaces to be primed must be dry and free from dust, dirt, oil, grease and any other foreign matter.
Easily applied by brush, roller or hand sprayer at the rate of 0.20 (1/5th) gallon per 100 sq.ft. (500 sq.ft. per gallon).

Caution/Care of Tools

Do not apply when rain is imminent. Protect from freezing. Primer must be dried before exposure to water. Store between 50°F and 100°F. Keep container covered 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 intake during application and while drying.

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

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