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323 K-NRG Gap Seal FR™

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Product details

Management number 213687217 Release Date 2026/04/12 List Price $36.00 Model Number 213687217
Category

323 K-NRG Gap Seal FR is a single-component, water-based acrylic mastic sealant that forms a tough, monolithic, elastomeric-like membrane, designed to prevent air passage by sealing joints, penetrations, and transitions on above-grade wall air barrier assemblies. This fire-resistant sealant is fully compatible with 321 K-NRG Seal VP and passes the stringent NFPA 285 Fire Test.

  • One-part, water-based acrylic sealant with elastomeric properties
  • Seals gaps and transitions before air barrier coating
  • Meets NFPA 285 Fire Test standards
Color Red
Item Form Paste
Brand Name Karnak
Item Weight 12.4 Pounds
Manufacturer Karnak
Material Type Acrylic
Surface Recommendation Tile, Pipe, Counter Top, Window, Door, Sink, Tub, Walls
Water Resistance Level Waterproof

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