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Sika Sikaflex 1A Aluminum Gray 10oz 91009
Sikaflex 1A is a premium-grade, high-performance, polyurethane-based, non-sag elastomeric sealant. Sikaflex 1A can be used in green and damp concrete applications and is readily placeable at 40°F.
- Fast tack-free and final cure times
- Excellent resistance to aging, weathering.
- High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear resistance
$6.17
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Orders over $300 Ship Free! SKU
17737
Sika Sikaflex-1A – Aluminum Gray – 10oz Cartridge
Sikaflex-1A is a one-component, moisture-cured polyurethane sealant used in a wide range of construction joints. This high-performance, non-sag sealant adheres to most substrates without primer and can be used on green or damp concrete. It’s designed for both vertical and horizontal joints and can handle movement of ±35%. Sikaflex-1A is ideal for applications where durability, weather resistance, and elasticity are essential.
Key Features:
- Applies easily to green or damp concrete
- Non-sag formulation for vertical and overhead joints
- ±35% movement capability
- Resistant to aging, weather, and jet fuel exposure
- Adheres to most construction materials without primer
- Paintable with water-, oil-, or rubber-based paints
- Certified for use in potable water applications (NSF/ANSI Standard 61)
- Meets ASTM C920, TT-S-00230C, and CAN/CGSB standards
Technical Specifications:
| Property | Value |
|---|---|
| Movement Capability | ±35% |
| Tack-Free Time | 3 to 6 hours |
| Final Cure | 4 to 7 days |
| Tensile Stress (21 day) | 175 psi |
| Elongation at Break | 550% |
| Shore A Hardness | 45 ±5 |
| Tear Strength | 55 lb/in |
| Service Temperature Range | -40°F to 170°F |
| Shelf Life (Cartridge) | 12 months |
Frequently Asked Questions:
Where can Sikaflex-1A be used?
It’s suitable for vertical and horizontal joints, small gaps, windows, door frames, flashing, and construction adhesive tasks.
Can I use Sikaflex-1A on green concrete?
Yes. It can be used 24 hours after pouring green concrete or 1 hour after wet concrete has been dried off.
Is primer required?
Not usually. Most surfaces do not need primer unless testing shows it's needed or if sealant will be submerged after curing.
Can it be painted?
Yes. It can be painted with water-, oil-, or rubber-based paints after full cure. Test for compatibility before painting.
| Brand | Sika |
|---|---|
| Color | Aluminum Gray |
| Size | 10oz |
| Manufacturer | Sika |
