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The Limestone (light-gray) color more closely matches newly poured concrete for good appearance. MasterSeal SL 1 joint sealant is a one-component, self-leveling, UV resistant, exterior grade, non-priming polyurethane sealant designed for creating, sealing and waterproofing all type of concrete and metal expansion joints up to 1-1/2 inch in width.
SL1 requires no mixing and bonds to many materials without a primer, including concrete, masonry, metals, fiberglass, etc.
- One 825ml tube yields about 36 lineal ft. (1/2 inch x 1/4 inch joint).
- 300 psi tensile and 800% elongation.
- Skins over: within 24 hours
- Foot traffic: 3 days
- Full cure: 1 week
Applications
Recommended Uses:
- Horizontal
- Interior and exterior
- Expansion joints
- Control joints
- Pavers
- Plaza decks
- Industrial floors
- Driveways/garages
- Sidewalks
- Decks
- Parking structures
- Pitch pans
Features
- Variety of types and sizes of packaging to help reduce jobsite waste
- Wide application temperature range makes MasterSeal SL1 suitable for all climates
- Excellent weatherability for long-lasting performance
- Movement capability of ±35% allows expansion and contraction with joint movement
- Abrasion-resistant to provide for longer wearing and durability
- Easy to gun for quick installation
- No priming needed on most surfaces, offering excellent adhesion
- Self-leveling sealant, so no tooling needed
Not recommended for asphalt sealing, asphalt expansion joints, or contact with asphalt products.
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