04.16.2026

LENTEK™ Fireblock Gun Foam Sealant Now In Stock

LENTEK™ Fireblock Gun Foam Sealant Now In Stock

LENTEK™ Fireblock Gun Foam Sealant is now in stock and available for order. 

This self-extinguishing polyurethane foam is designed to help impede the spread of fire and smoke through service penetrations. With controlled, gun-applied dispensing, it delivers precise application, strong adhesion, and an airtight seal across a wide range of common building materials. 

APPLICATIONS: 

  • Electrical and Plumbing Penetrations: Seals gaps around wires, conduit, and pipes. 
  • Wall Cavities and Stud Bays: Fills openings within framing to reduce airflow and support fireblocking in concealed spaces. 
  • Gaps, Joints, and Cracks: Expands to seal irregular openings, creating an airtight barrier that helps limit air and smoke movement. 
  • Door and Window Openings: Seals perimeter gaps to improve energy efficiency while supporting fireblocking requirements where applicable. 
  • HVAC and Mechanical Penetrations: Helps seal around ducts and vents to reduce air leakage and maintain system performance. 
  • General Construction Openings: Suitable for sealing across wood, metal, masonry, and other common substrates. 

FEATURES: 

  • Gun-applied for controlled, adjustable dispensing 
  • Impedes the spread of fire and smoke 
  • Orange color for easy inspection 
  • Adheres to common building materials 
  • Airtight, weather-resistant seal 
  • Fast tack-free time with full cure in 24 hours 
  • Wide temperature resistance for varied jobsite conditions 

LENTEK™ Fireblock Gun Foam Sealant is engineered for professional performance and consistent results on the job. It complements LENTEK™ Fireblock Foam Sealant and LENTEK™ Insulating Foam Sealant, giving distributors a complete solution across dispensing types. Backed by Lentus’s commitment to quality and practical performance, it delivers a dependable option built for real-world applications. 

To place an order of LENTEK™ Fireblock Gun Foam Sealant, contact Orders@LentusLLC.com or call 270-765-2212. 

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