Specialty Sealants


110 Butyl Rubber Sealant

 NuFlex® 110 Butyl Rubber Caulk and Gutter Seal is a single component, “solvent release” butyl, designed to provide excellent exterior weathering properties. NuFlex® 110 is formulated for use on many dissimilar building surfaces. It is our best narrow-bead sealant. Ideal for sealing gutter down spouts, metal storm windows, doors and lap joints. It adheres well to damp surfaces.



136 Draft Stop

 NuFlex® 136 Draft Stop is a one-component, non-combustible caulk. It meets ASTM E-136 requirements designed to resist high-temperatures and smoke in non-rated construction.NuFlex® 136 is to be used in annular spaces around wires, pipes, ducts, and vents in wood or steel framed non-rated construction.



630 Tripolymer Sealant

 NuFlex® 630 Tripolymer Sealant is a single component, high performance special blend of polymers. For exterior use in the transportation industry including truck-trailer, manufactured housing, metal buildings, recreational vehicles, and marine applications).



640 Thermoplastic Sealant

NuFlex® 640 Thermoplastic Sealant is a one part, co polymer, high performance sealant. The cured sealant exhibits good physical properties including excellent adhesion to a variety of construction materials including marine surfaces. It possesses rubber-like characteristics and can be compressed or extended.