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Sika Sikaflex SL 1 Limestone 30oz Cartridge
Sikaflex SL 1 is a one-component self-leveling polyurethane sealant in a Limestone 30 oz cartridge for concrete floor and deck joints. It holds ±35% movement and skins overnight or within 24 hours without tooling on level work.
- Self-leveling polyurethane for horizontal concrete joints
- ASTM C 920 Class 35 with ±35% movement capability
- Bonds without priming on most surfaces and needs no tooling on level joints
$19.85
Availability:
Out of stock
Sikaflex SL 1
Sikaflex SL 1 is a one-component, non-priming, self-leveling elastomeric polyurethane sealant for expansion and control joints in concrete floors and decks where abrasion and puncture resistance matter. This Limestone 30 oz cartridge meets ASTM C 920 Type S, Grade P, Class 35 with ±35% movement, Shore A 25, approximately 300 psi tensile, and 800% elongation. It skins overnight or within 24 hours, needs no tooling on level joints, and suits plaza decks, sidewalks, parking structures, and industrial floors.
Key Features
- One-component self-leveling elastomeric polyurethane
- Meets ASTM C 920 Type S, Grade P, Class 35, Use T, M, NT, A, O
- Movement capability ±35%
- Shore A 25 with approximately 300 psi tensile and 800% elongation
- Skins overnight or within 24 hours
- Self-levels so tooling is not needed on level joints
Applications
- Works in horizontal expansion and control joints
- Plaza decks, sidewalks, driveways, and parking structures
- Industrial floors and paver joints
- Interior and exterior concrete and metal substrates
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex SL 1 |
| Color | Limestone |
| Unit | 30 oz cartridge (PDS 825 ml) |
| Chemistry | One-component self-leveling polyurethane |
| ASTM | C 920 Type S, Grade P, Class 35 |
| Movement | ±35% |
| Shore A | 25 |
| Tensile / elongation | Approximately 300 psi / 800% |
| Skin time | Overnight or within 24 hours |
| Service temperature | -40 to 180 F |
Product documents: Sikaflex SL 1 Product Data Sheet (PDF)
Frequently Asked Questions
What movement capability does Sikaflex SL 1 hold?
±35% under ASTM C 719, matching ASTM C 920 Class 35 for properly designed floor and deck joints.
What skin time should crews plan for with Sikaflex SL 1?
It skins overnight or within 24 hours depending on temperature and humidity.
What joints suit Sikaflex SL 1 on the slab?
Horizontal expansion and control joints in plaza decks, sidewalks, driveways, parking structures, industrial floors, pavers, and pitch pans.
What priming does Sikaflex SL 1 need on concrete?
No priming is needed on most surfaces. Confirm adhesion on metal and atypical substrates.
What hardness and elongation does cured Sikaflex SL 1 reach?
Shore A 25 with approximately 300 psi tensile strength and 800% elongation.
What size is the Sikaflex SL 1 cartridge on this page?
This page is the Limestone 30 oz cartridge (PDS lists 825 ml cartridges).
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