Vulkem® 191 Primer – High-Performance Adhesion Enhancer

TDS

Boost the bond. Seal with confidence.

Vulkem® 191 Primer is a fast-drying, one-part primer specially formulated to promote superior adhesion of Tremco polyurethane sealants to a wide range of porous surfaces. Whether you're working with concrete, masonry, or wood, this primer ensures a long-lasting, secure seal.

Key Features:

• ✅ Excellent Adhesion – Enhances bonding of polyurethane sealants to porous substrates.
• ⏱️ Fast-Drying Formula – Ready for sealant application in as little as 30 minutes.
• 🧱 Versatile Use – Ideal for concrete, masonry, wood, and other porous materials.
• 🛠️ Easy Application – Single-component, brush-on application for quick and efficient use.

Recommended For:

• Expansion joints
• Window and door perimeters
• Precast concrete panels
• Parking decks and plazas

Coverage:

• Approximately 250–300 sq. ft. per gallon, depending on surface porosity.

Application Tips:

• Surface must be clean, dry, and free of contaminants.
• Apply with a brush or roller.
• Allow primer to dry completely before applying sealant.