Description
ChemLink DuraLink 50 is a professional-grade, moisture-curing elastomeric sealant designed for flexible, long-lasting adhesion across a wide variety of demanding construction applications. Manufactured by ChemLink, this advanced sealant delivers ±50% joint movement capability, making it ideal for dynamic joints in roofing, siding, curtain walls, and metal architecture.
Formulated with 100% solids and zero solvents, DuraLink 50 will not shrink, crack, or outgas—even when applied to damp surfaces. It is VOC-compliant, non-slump, and paintable within 24 hours. Its superior color stability resists UV discoloration and prevents staining on natural stone and masonry.
Common Applications:
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Expansion joints in concrete, masonry, and siding
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Sealing curtain wall systems and architectural metal
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Perimeter seals around windows, doors, and panels
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Weatherproofing parapets, flashing, and roof penetrations
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Joint sealing in Kynar®-coated metal and anodized aluminum systems
Key Product Features:
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±50% joint movement capability
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100% solids, solvent-free, and low-VOC (<19 g/L)
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Non-slump formula for vertical and overhead use
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Paintable after 24 hours
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Will not stain absorbent stone or masonry
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Excellent UV and color stability
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Bonds to Kynar®, anodized aluminum, plastics, and more
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No outgassing on damp surfaces
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Complies with ASTM C920, Type S, Grade NS, Class 50
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Conforms to USDA guidelines for non-food contact surfaces
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Made in the USA with ISO 9001:2015 certified manufacturing
Available Colors:
White, Black, Gray, Stone, Tan, Almond, Limestone, Dark Bronze, Medium Bronze, Aluminum Gray, Forest Green, Terra Cotta, Weathered Wood
For professionals seeking a durable, flexible, and environmentally friendly sealant, ChemLink DuraLink 50 offers reliable performance across a wide range of construction applications.
