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Effective and reliable insulating foam


Effective and reliable insulating foam

LENTEK™ Foam Sealants fill, seal, and insulate gaps effectively with the power of long-lasting, water-resistant, expanding foam. The foam sealants provide a simple, cost-effective solution to eliminate unwanted airflow and improve energy efficiency in any exterior and interior space.


The foam sealants adhere to a large variety of substrates including wood, metal, masonry, glass, and most common building materials. These professional-grade sealants are sandable, paintable, and stainable. Both the fireblock and insulating foams are UL Classified and have no CFCs or HCFCs.


LENTEK Insulating Foam Sealant is triple expanding to ensure the gaps are sealed tight. The insulating foam is a natural color, while the fireblock foam is orange for easy identification and inspection. LENTEK Fireblock Foam Sealant has a B2 Fire Rating that is formulated to seal service penetrations and electrical runs through walls, impeding the spread of smoke and fire.


To order LENTEK™ Foam Sealants call 270-765-2212 or email orders@LentusLLC.com.