Perm-A-Barrier® Primer Plus

Used most often with permeable membranes such as Perm A Barrier VPS and Vycor enV-S, Perm-A-Barrier® Primer Plus is a water-based primer which imparts an aggressive, high tack finish on the treated substrate. It is specifically designed to facilitate tenacious adhesion of Perm-A-Barrier self-adhered membranes to various substrates including plywood, oriented strand board (OSB), concrete masonry units (CMU) and glass faced wall boards. Perm-A-Barrier Primer Plus is available in 1 and 5 gallon plastic pails.


  • Excellent adhesion — bonds to substrate and remains permanently pressure sensitive
  • Aggressive tack — provides a tenacious bond to substrates such as plywood, OSB, CMU and glass faced wall boards
  • Fast drying — increased flexibility for application schedule
  • Fast and easy application — by brush or roller
  • VOC compliant — water-based, contains no hazardous or flammable solvents
  • Low odor — no noxious fumes

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