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Sika Sikaflex 1C SL Limestone 5 Gallon Pail 106639
Sikaflex-1c SL is a one-component self-leveling polyurethane sealant in a limestone 5 gallon pail for horizontal concrete joints. It pours into sidewalks, plazas, and pavement joints and levels without tooling drama.
- Self-leveling pourable sealant for horizontal joints
- Works for green concrete after 24 hours at 75 F
- Handles damp concrete one hour after standing water is gone
$311.26
Sikaflex-1c SL
Sikaflex-1c SL is a one-component self-leveling premium-grade polyurethane sealant with accelerated cure for horizontal expansion joints. This limestone 5 gallon pail (part 106639) meets ASTM C-920 Type S, Grade P, Class 25, use T, M, A, G, I and Federal Specification TT-S-00230C Type I Class A. Movement capability is ±25% with approximately 320% elongation, Shore A approximately 40, and tack-free time of approximately 1 to 2 hours at 73 F.
Key Features
- One-component self-leveling premium-grade polyurethane sealant
- ASTM C-920 Type S, Grade P, Class 25; TT-S-00230C Type I Class A
- Movement capability ±25%; elongation approximately 320%
- Shore A hardness approximately 40; elastic recovery greater than 90%
- Tack-free in approximately 1 to 2 hours; final cure 3 to 5 days at 73 F
- Jet-fuel resistant; suitable for water-immersion service with primer
Applications
- Horizontal expansion joints in sidewalks, balconies, and pavements
- Warehouses, factories, plazas, and civil structures
- Terraces, canals, and water-treatment joints
- Pitch pans and cementitious slab joints needing a pourable sealant
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex-1c SL |
| Part no. | 106639 |
| Unit | 5 gallon pail |
| Color | Limestone |
| Chemistry | One-component self-leveling polyurethane sealant |
| Movement capability | ±25% |
| Elongation | Approximately 320% |
| Shore A | Approximately 40 |
| Tack-free at 73 F | Approximately 1 to 2 hours |
| Service temperature | -40 F to 170 F |
Product documents: Sikaflex-1c SL Product Data Sheet (PDF)
Frequently Asked Questions
What joints suit Sikaflex-1c SL?
Horizontal expansion joints in sidewalks, balconies, pavements, plazas, warehouses, factories, canals, and similar cementitious slabs.
What movement capability does Sikaflex-1c SL hold?
±25% movement under ASTM C-719, with approximately 320% elongation at break.
What cure time should crews plan for Sikaflex-1c SL at 73 F?
Tack-free in approximately 1 to 2 hours and final cure in approximately 3 to 5 days.
What green-concrete rules apply for Sikaflex-1c SL?
Apply after concrete has cured a minimum of 24 hours at 75 F, with control joints cut at least 8 hours ahead and expansion forms removed at least 6 hours ahead.
What ASTM class does Sikaflex-1c SL meet?
ASTM C-920 Type S, Grade P, Class 25, use T, M, A, G, I, and Federal Specification TT-S-00230C Type I Class A.
What size is Sikaflex-1c SL?
The pail is 5 gallons filled, limestone, part 106639.
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