Nuco

NuFlex® 110 Butyl Rubber Gutter Sealant is a single component, solvent release butyl designed to provide excellent exterior weathering properties. Formulated for use on many dissimilar building surfaces. It is Nuco's best narrow-bead sealant ideal for sealing gutter downspouts, metal storm windows, doors and lap joints. It also adheres well to damp surfaces.