Vulkem® 191 Primer

A quick drying, one-part, moisture-curing primer used as a urethane-to-urethane tie-in, or to prepare surfaces of cured Vulkem urethane sealants, coatings and TREMproof membranes to be coated with a new coat.

Product Description

Vulkem® 191 Primer is a quick-drying primer formulated to promote adhesion of urethane sealants and coatings to porous substrates. It enhances the bond strength on cured sealants and various surfaces, including those used in waterproofing systems. Ideal for use with TREMproof membranes, this primer ensures consistent, long-lasting performance and compatibility across urethane-based applications.

Key Benefits

  • Fast Installation: with quick drying formula
  • Compatible: with urethane sealants and coatings

Vulkem® 191 Primer Is Best For:

  • Porous surfaces
  • Cured urethane sealants
  • Urethane coatings
  • TREMproof waterproofing membranes
  • Interlaminary

Product Properties

Property Specification
Dry Time Quick drying (exact time varies by condition)
Application Brush, roller, or spray
Use Interior and exterior
Chemistry Solvent-based urethane-compatible primer