Vulkem Primer 171 is a high-performance, one-part, moisture-curing primer designed to significantly enhance adhesion between Vulkem urethane sealants, membranes, or coatings and porous substrates. This quick-drying formula is the industry standard for preparing concrete and wood surfaces for long-lasting waterproof protection.
Note: This product is not for use in Canada.
Key Applications
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Substrates: Specifically formulated for porous surfaces such as concrete and plywood.
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Systems: Required for use with Vulkem brand urethane sealants, Vulkem coating systems, and TREMproof membranes.
Product Benefits
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Adhesion Promoter: Creates a superior bond for urethane-based waterproofing systems.
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Efficient Workflow: Quick-drying, one-part formula requires no mixing.
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Moisture-Curing: Utilizing environmental moisture to ensure a robust foundation for coatings.
Installation Instructions
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Application: Apply a generous, even coat using a clean brush or roller.
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Avoid Pooling: Do not allow the primer to puddle or pond in low areas.
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Tack Time: At 70°F (21°C), allow 30 to 45 minutes for the primer to become tacky.
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Window of Use: Apply the sealant, coating, or membrane while the primer is still tacky.
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Correction: Do not apply materials if the primer dries completely or becomes hard/glossy. If this occurs, clean the surface with a Tremco-approved solvent and re-prime using Vulkem 191 Primer.
