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Sika Sikaflex 1A Limestone 20oz Sausage
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.
- 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
$11.49
Availability: In stock ( 420 Available )
Orders over $300 Ship Free! SKU
17939
Sika Sikaflex-1A – Limestone – 20oz Sausage
Sikaflex-1A is a high-performance, moisture-cured, one-component, polyurethane-based elastomeric sealant. Designed for vertical and horizontal joint applications, it provides superior adhesion, flexibility, and resistance to weathering. Sikaflex-1A is suitable for use on a variety of substrates including concrete, wood, aluminum, steel, and many other construction materials. It is an excellent choice for sealing joints in green and damp concrete, and is certified for potable water use.
Key Features:
- Moisture-cured, one-component polyurethane sealant
- Superior flexibility with ±35% movement capability
- Excellent adhesion to most construction materials
- Non-sag formula for vertical and horizontal applications
- Jet fuel resistant and NSF/ANSI/CAN 61 certified for potable water
- Fast tack-free and final cure times
- Resistant to aging and weathering
- Paintable with water-, oil-, and rubber-based paints
Applications:
- Sealing perimeter joints around windows and doors
- Expansion and control joints in concrete structures
- Weather sealing for curtain walls and exterior facades
- Construction adhesive for bonding dissimilar materials
- Green and damp concrete applications
- Submerged joint applications like reservoirs and canals
Technical Specifications:
| Property | Value |
|---|---|
| Shore A Hardness | 45 ± 5 |
| Tensile Strength | 175 psi |
| Elongation at Break | 550% |
| Movement Capability | ±35% |
| Service Temperature | -40°F to +170°F |
| Cure Time | 4 to 7 days |
| Packaging | 20oz Sausage |
| Shelf Life | 12 months (unopened) |
Frequently Asked Questions:
Can Sikaflex-1A be painted over?
Yes, it can be painted with water-, oil-, and rubber-based paints after full cure.
What is the recommended joint depth?
The recommended depth is 1/4 inch to 1/2 inch, depending on joint width.
Is Sikaflex-1A suitable for submerged conditions?
Yes, it can be used for canal and reservoir joints after proper curing.
| Brand | Sika |
|---|---|
| Color | Limestone |
| Size | 20oz |
| Manufacturer | Sika |
