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Euclid Eucolastic 1SL 30oz Cartridge Gray
Euclid Eucolastic 1SL is a self-leveling polyurethane sealant for horizontal joint sealing in concrete and masonry structures. Extremely durable in dynamic joints. It provides superior wear resistance to rubber tires and pedestrians in high traffic areas.
- Skins rapidly and is tack-free in less than 5 hours @ 75° F (24° C)
- Remains adhesively and cohesively bonded during temperature cyclic movement
- Extraordinary movement capability of +100% / -50%
$21.02
Availability:
Out of stock
SKU
18222
Euclid Eucolastic 1SL – 30oz Cartridge – Gray
Eucolastic 1SL is a single-component, low-modulus, moisture-cured, self-leveling polyurethane joint sealant formulated for dynamic joints. It provides superior wear resistance under pedestrian and vehicular traffic, with exceptional movement capability of +100% / -50%. The sealant is jet fuel resistant, easy to apply on flat or sloped joints up to 6%, and designed for both interior and exterior concrete applications. Available in gray and limestone, 1SL is ideal for high-traffic areas where durability and flexibility are critical.
Key Features
- Single-component, self-leveling polyurethane sealant.
- Extraordinary joint movement capacity of +100% / -50%.
- Resists cracking, chalking, and color change under aging.
- Withstands pedestrian and vehicular traffic wear.
- Tack-free in less than 5 hours at 75°F (24°C).
- Non-staining, color-stable formula.
- Adheres well to concrete and masonry substrates without primer.
- Jet fuel resistant (per manufacturer bulletin).
Applications
- Concrete control and expansion joints.
- Sidewalks, plazas, and swimming pool decks.
- Truck terminals and loading docks.
- Traffic loop sealant applications.
- Interior and exterior use in high-traffic areas.
- Above-grade horizontal joints with slope up to 6%.
Technical Specifications
| Chemistry | Single-component, moisture-cure, self-leveling polyurethane |
| Movement Capability (ASTM C719) | +100% / -50% |
| Rheology (ASTM C639) | Self-leveling; holds slope up to 6% |
| Hardness (ASTM C661) | Shore A 43–47 |
| Tensile Strength (ASTM D412) | 250 psi (1.7 MPa) |
| Elongation (ASTM D412) | 600% |
| Tear Strength (ASTM D412) | 35 pli (61.3 N/cm) |
| Adhesion to Concrete (ASTM C794) | Dry: 31 pli; Submersed: 28 pli; Green & SSD: >15 pli |
| Skin Time | 1.5–2 hours |
| Tack-Free Time (ASTM C679) | 7–8 hours |
| Service Temperature Range | -40°F to 185°F (-40°C to 85°C) |
| Color Options | Gray, Limestone |
| Packaging | 30 oz (887 mL) cartridge, 12 per case; 5 gal pail (MTO) |
| Yield | One 30 oz cartridge yields 72 linear ft of 1/4” x 1/4” joint |
| Shelf Life | 1 year in original, unopened container |
| Compliance | ASTM C920, Type S, Grade P, Class 50, Use T, M, A, O, I; CAN/CGSB 19.13-M87, MC-1-25-B-N |
Frequently Asked Questions
What makes Eucolastic 1SL unique?
It offers extraordinary joint movement capability of +100% / -50% while maintaining adhesion and cohesion, making it ideal for high-traffic applications.
Can it be used in fuel-exposed areas?
Yes. Eucolastic 1SL is resistant to jet fuel and is recommended for industrial and transportation applications.
What is the tack-free time?
It becomes tack-free in about 7–8 hours, with a skin forming in 1.5–2 hours at 72°F.
Where is Eucolastic 1SL typically used?
Commonly used in sidewalks, truck terminals, plazas, pool decks, and traffic loop sealant applications.
How should tools be cleaned?
Clean tools with Euco Solvent or xylene before the sealant dries. Once cured, removal requires mechanical means.
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