Product Review

Sikaflex-1a is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal specification TT-S-00230C, Type II, Class A. Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I; Canadian standard CAN/CGSB 19.13-M87. Where to Use n Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in. ~Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applications, and many construction adhesive applications. ~Suitable for vertical and horizontal joints; readily placeable at 40°F. ~Has many applications as an elastic adhesive between materials with dissimilar coefficients of expansion. ~Submerged conditions, such as canal and reservoir joints. Advantages n Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment. ~Fast tack-free and final cure times. ~High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance. ~Stress relaxation. ~Excellent adhesion - bonds to most construction materials without a primer. ~Excellent resistance to aging, weathering. ~Proven in tough climates around the world. ~Odorless, non-staining. ~Jet fuel resistant. ~Certified to the NSF/ANSI Standard 61 for potable water. ~Urethane-based; suggested by EPA for radon reduction. ~Paintable with water-, oil- and rubber-based paints. ~Capable of ±35% joint movement.