


SikaFlex-521 UV
SikaFlex®-521 UV is a professional, weather-resistant adhesive and sealant designed for long-lasting performance in camper van conversions, caravans, and marine projects. With excellent resistance to UV rays, saltwater, and aging, it provides reliable sealing and bonding both inside and out.
✅ Ideal for camper vans – Perfect for sealing roof vents, windows, solar panels, and trims with strong, flexible adhesion.
✅ Marine-grade protection – Resists water, salt, and harsh UV exposure, making it a trusted choice for boats and coastal builds.
✅ Flexible & tough – Absorbs vibration and movement without cracking or shrinking.
✅ Safe for living spaces – Solvent- and isocyanate-free, with very low emissions.
✅ Long-lasting finish – Stays resistant to weathering, mold, and mildew.
Typical Applications:
Camper van and caravan conversions
Marine and boat construction
Sealing joints, vents, and exterior panels
General waterproof sealing and bonding
Specifications:
Colour: Black/White
300ml cartridge
SikaFlex®-521 UV is a professional, weather-resistant adhesive and sealant designed for long-lasting performance in camper van conversions, caravans, and marine projects. With excellent resistance to UV rays, saltwater, and aging, it provides reliable sealing and bonding both inside and out.
✅ Ideal for camper vans – Perfect for sealing roof vents, windows, solar panels, and trims with strong, flexible adhesion.
✅ Marine-grade protection – Resists water, salt, and harsh UV exposure, making it a trusted choice for boats and coastal builds.
✅ Flexible & tough – Absorbs vibration and movement without cracking or shrinking.
✅ Safe for living spaces – Solvent- and isocyanate-free, with very low emissions.
✅ Long-lasting finish – Stays resistant to weathering, mold, and mildew.
Typical Applications:
Camper van and caravan conversions
Marine and boat construction
Sealing joints, vents, and exterior panels
General waterproof sealing and bonding
Specifications:
Colour: Black/White
300ml cartridge