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Sika Duoflex SL 1.5 Gal
Sika Duoflex SL is a two-component, self-leveling, premium-quality polysulfide sealant ideally suited for quick application to horizontal surfaces. Excellent resistance to water, oils, grease, most solvents, mild acids and alkalis.
- Tough, Elastic, Rubber-Like Seal
- Resilient Within a Wide Temperature Range
- Tenacious Adhestion to Concrete
$345.63
Availability: In stock ( 2 Available )
SKU
17759
Sika Duoflex SL – Two-Component, Self-Leveling Polysulfide Sealant
Sika Duoflex SL is a two-component, premium-grade self-leveling polysulfide sealant made for horizontal joints in industrial and commercial floors. It's a tough, flexible sealant that handles expansion and contraction without losing bond or cracking. Duoflex SL bonds to a wide range of substrates like concrete, metal, glass, and stone. It's resistant to water, oils, and chemicals, making it ideal for use in parking structures, podium decks, and service station joints. When primed, it also performs well in submerged conditions.
Key Features:
- Flexible, elastic seal for horizontal expansion joints
- Excellent adhesion to concrete, metal, masonry, and more
- Handles joint movement up to ±25%
- Resistant to oils, grease, water, mild acids, and alkalis
- Remains stable from -40°F to 170°F
- Suitable for use in submerged applications with primer
- Self-leveling consistency for smooth application
- Meets ASTM C920, Type M, Grade SL, Class 25
Technical Specifications:
| Property | Value |
|---|---|
| Shore A Hardness | 25–30 |
| Tensile Strength | 150–200 psi |
| Elongation at Break | 500–550% |
| Movement Capability | ±25% |
| Service Temperature | -40°F to 170°F |
| Pot Life | 1 hour |
| Tack-Free Time | 6 hours |
| Cure Time | 7 days |
Frequently Asked Questions:
Can Sika Duoflex SL be used in submerged joints?
Yes, but only when properly primed with Sika Duoflex Primer-5050.
What’s the shelf life?
One year in unopened containers when stored properly between 40°F and 95°F.
Can I use this for vertical or overhead joints?
No, Duoflex SL is a self-leveling sealant designed for horizontal applications only.
Is it compatible with coatings or paints?
Testing is recommended to confirm compatibility with overcoatings.
| Brand | Sika |
|---|---|
| Size | 1.5 Gallon |
| Manufacturer | Sika |
