Eucolastic 1NS
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Estimated Delivery:Nov 18 - Nov 22
Eucolastic 1NS
General-purpose single-component polyurethane sealant
Eucolastic 1NS is a one-component, polyurethane-based elastic joint sealant designed for sealing movement joints in concrete and masonry structures.
Provides excellent adhesion on concrete, brick, metal, and wood surfaces without the need for a primer in many cases.
Retains flexibility and elasticity, accommodating joint movement while preventing cracks and leaks.
Suitable for both interior and exterior applications, exposed to UV, rain, and temperature fluctuations.
Ensures durable, watertight joints for industrial, commercial, and residential constructions.
Technical Specifications and Features
Base: Polyurethane
Color: Grey, White, Black (custom colors available)
Skin time: 30–60 minutes at 23°C / 50% RH
Cure rate: ~3 mm/day at 23°C / 50% RH
Shore A hardness: 45 ± 5
Movement accommodation: ±25%
Tensile strength: ~2.0 MPa
Elongation at break: ≥ 500%
Application temperature: +5°C to +40°C
Packaging: 290 mL cartridges / 600 mL sausages
Shelf life: 12 months in original unopened packaging, stored in cool, dry conditions
Benefits and Advantages
Durable waterproofing for expansion, construction, and movement joints.
Elastic and crack-resistant, accommodating ±25% joint movement.
Excellent resistance to weathering, UV radiation, and chemical exposure.
Easy application from cartridge or sausage, ready to use.
Can be painted over after curing, maintaining aesthetics.
Minimizes joint maintenance and repair costs.
(Product images are for illustrations purposes only and may differ from the actual product.)
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
Discover more in our FAQ
How long does it take to process an order?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
Do you ship internationally?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What is your return policy?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What are your sizing options?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.