Description
Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Sikaflex-1a can be used in green and damp concrete applications.
Product Features
- 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
- Can be applied to green concrete 24 hours after pour
- Can be applied to damp concrete 1 hour after getting wet
- Non-staining
- Jet fuel resistant
- Certified to NSF/ANSI/CAN 61 for potable water (meets applicable requirements of NSF/ANSI 600)
- Urethane-based; suggested by EPA as a caulk and crack sealant for radon reduction
- Paintable with water-, oil- and rubber-based paints
- Capable of ±35% joint movement
Product Applications
- 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 applictions, 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.
