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Sikaflex 1A

Sikaflex 1A

Elastomeric Joint Sealant Premium Quality Joint Sealant and Adhesive

Sika Sikaflex 1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. It's designed for various types of joints, including small joints and fillets, windows, door frames, and roofing applications. The product is suitable for both vertical and horizontal joints and can be used on green and damp concrete. Sikaflex 1A is renowned for its fast tack-free and final cure times, high elasticity, stress relaxation, and excellent adhesion properties, bonding to most construction materials without a primer.

Sikaflex 1A is celebrated for its high elasticity, curing to a tough, durable, and flexible consistency with exceptional cut and tear resistance. Its stress relaxation capabilities make it ideal for use in demanding climates and tough conditions. The sealant is non-staining, jet fuel resistant, and certified for potable water contact, making it a versatile choice for a wide range of construction scenarios.

Suitable for a broad range of applications, Sikaflex 1A can be applied to green concrete 24 hours after pour and to damp concrete 1 hour after getting wet. It also offers excellent resistance to aging and weathering, ensuring long-lasting performance.

For contractors, Sikaflex 1A offers several practical benefits. It eliminates the need for mixing, filling cartridges, pre-heating, or thawing, streamlining the application process. The product's high elasticity allows for ±35% joint movement, accommodating shifts and movements in building materials. It is paintable with water-, oil-, and rubber-based paints, providing flexibility in finishing.

Sika, the manufacturer of Sikaflex 1A, is a global leader in construction chemicals, known for its commitment to quality and innovation. The company provides extensive technical support and resources for its products, ensuring that contractors have the necessary information for optimal application and use. Sikaflex 1A's compliance with various standards like ASTM C920 and Federal Specification TT-S-00230C reflects its industry acceptance and reliability.

Sikaflex 1A is the industries leading sealant!

Certifications and Approvals

  • ASTM C920, Type S, Grade NS, Class 35, Use T, NT, O, M, A, I
  • SWRI validated acc. to ASTM C719 (No. 0123-S0128)
  • Federal specification TT-S-00230 C Type II, Class A
  • Certified to NSF/ANSI/CAN 61 for potable water (meets applicable requirements of NSF/ANSI 600)
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