Sikaflex 505UV is a high-performance exterior-grade sealant designed for outdoor sealing, bonding, and weatherproofing. This white, one-component silane-terminated polymer (STP) delivers durable adhesion, fast curing, and color-stable performance for exterior joints and transitions.
-
Cartridge size: 10.3 oz (300 ml)
-
Color: White
-
Type: One-component silane-terminated polymer (STP)
-
UV and weather resistance: Excellent UV resistance and weathering performance
-
Adhesion: Adheres to aluminum, steel, glass, marble, wood, and many plastics
-
VOC and safety: Contains no solvents or isocyanates with low VOC content
-
Tooling and finish: Excellent tooling characteristics for smooth, professional finishes
-
Cure: Fast curing, even at low temperatures
-
Paintability and color stability: Paintable and non-yellowing for long-lasting color
-
Applications: Exterior sealing for joints, glazing, panel edges, and transitions; adhesive/sealant for metals, glass, stone, wood, and many plastics in outdoor environments
-
Safety: Prop 65 warning applies
Sikaflex 505UV provides a durable, weather-resistant seal designed to withstand outdoor exposure over time. Its one-component STP formulation delivers reliable adhesion to a broad set of substrates—metal, glass, stone, wood, and many plastics—keeping joints watertight with minimal maintenance. The absence of solvents and isocyanates translates to a lower VOC footprint, while fast cure times reduce project downtime. It is paintable and non-yellowing, preserving a clean, long-lasting finish on exterior transitions such as glazing beads, panel edges, and joints.
