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Sika Sikaflex 1C SL 30oz Limestone
Sika Sikaflex 1C SL is a single component, self-leveling, premium-grade polyurethane sealant with an accelerated curing capacity. 1C SL is used to seal horizontal expansion joints in concrete and cementitious slabs.
- Can be applied to green concrete 24 hours after pour
- Extremely elastic
- Durable - resists aging and weathering
$24.31
Availability: In stock ( 36 Available )
SKU
17738
Sika Sikaflex 1c SL – Self-Leveling Polyurethane Sealant
Sika Sikaflex 1c SL is a high-performance, self-leveling polyurethane sealant designed for sealing horizontal expansion joints in concrete and cementitious slabs. With a one-component, moisture-cured formulation, it provides exceptional durability, flexibility, and adhesion without requiring a primer. Sikaflex 1c SL is ideal for sidewalks, parking lots, warehouses, and water treatment structures, resisting aging, weathering, and joint movement. It meets ASTM C920 and Federal Specification TT-S-00230C standards and is jet fuel resistant, making it suitable for demanding commercial and industrial applications.
Key Features:
- One-component, self-leveling polyurethane sealant
- Accelerated curing for faster project completion
- Excellent adhesion to concrete and cementitious substrates
- Moisture-resistant – can be applied to damp concrete
- Flexible with ±25% movement capability
- Jet fuel and chemical resistant
- Ideal for horizontal expansion joints in sidewalks, plazas, and parking decks
- Meets ASTM C920, TT-S-00230C, and other major performance standards
Technical Specifications:
| Property | Value |
|---|---|
| Shelf Life | 1 year in original, unopened packaging |
| Storage Temperature | 40°F – 95°F (4°C – 35°C) |
| Shore A Hardness | 40 ±5 (ASTM D-2240) |
| Tensile Strength | 150 psi (ASTM D-412) |
| Elongation at Break | 320% (ASTM D-412) |
| Elastic Recovery | >90% |
| Adhesion Strength (Mortar) | >28 lbs (ASTM C-794) |
| Service Temperature | -40°F to 170°F (-40°C to 77°C) |
| Tack-Free Time | 1 to 2 hours |
| Full Cure Time | 3 to 5 days |
Frequently Asked Questions:
What surfaces can Sikaflex 1c SL be used on?
Sikaflex 1c SL is suitable for concrete, cementitious slabs, sidewalks, parking lots, and plazas.
How long does it take for Sikaflex 1c SL to fully cure?
The sealant becomes tack-free in 1 to 2 hours and reaches full cure in 3 to 5 days.
Can Sikaflex 1c SL be used in wet conditions?
Yes, it can be applied to damp concrete 60 minutes after the water has been displaced.
Is Sikaflex 1c SL resistant to chemicals?
Yes, it is resistant to jet fuel, aging, and weathering, making it ideal for demanding environments.
For the latest technical specifications and application guidelines, visit Sika USA.
| Brand | Sika |
|---|---|
| Color | Limestone |
| Size | 30oz |
| Manufacturer | Sika |
