Vapor Barriers & Primers

Vapor Retarder Primer SB

Sarnavap Self-Adhered Primer is a solvent-based primer used to prime wood, concrete, lightweight concrete, gypsum boards and decks, and DensDeck® boards prior to the application of Sarnavap Self-Adhered vapor barrier or Sarnafil G476 SA (Self-Adhered) waterproofing membrane.

Vapor Retarder Primer SB WB

Sarnavap Self-Adhered Primer WB is a water-based primer used to prime wood, concrete, lightweight concrete, gypsum boards and decks, and DensDeck® boards prior to the application of Sarnavap Self-Adhered vapor barrier or Sarnafil G476 SA (Self-Adhered) waterproofing membrane.

Sarnavap Self Adhered Primer VC

Sarnavap Self Adhered

Sarnavap Self-Adhered is a 32 mil (0.8 mm) self-adhesive vapor barrier that can also serve as temporary roof protection.  Sarnavap Self-Adhered is composed of SBS modified bitumen. The top surface is a high-density polyethylene grid laminated between two layers of polyethylene film. A silicone release plastic film covers the self-adhesive back side.