Sika Sikaflex-522 is a one-component polyurethane sealant designed for bonding and sealing in building and construction applications. The 300 ml cartridge format provides convenient, precise application for a wide range of installation tasks.
One-component polyurethane formula for reliable, flexible joints
300 ml cartridge enables accurate, waste-free dispensing
White colour blends discreetly with most common building materials
Suitable for interior and exterior use across diverse substrates
What sets Sikaflex-522 apart
The polyurethane-based compound delivers long-lasting elasticity and adhesion on concrete, metal, wood, and plastics. Its neutral curing behaviour and low odour make it well suited for indoor environments where ventilation is limited.
Ideal for...
Building contractors, renovation professionals, and DIY installers working on joints, seams, and perimeter sealing in residential and commercial structures.
Application of Sikaflex-522
Clean and dry the surfaces to be bonded or sealed
Apply the sealant in a continuous bead along the joint
Sika is a Swiss-headquartered specialty chemicals company supplying adhesives, sealants, and chemical products for the building and industrial sectors. Its Sikaflex product line focuses on polyurethane-based sealing and bonding solutions for professional and DIY users.
Sikaflex-522 is a polyurethane sealant used for bonding and sealing joints in building construction, including perimeter sealing, expansion joints, and installation of fixtures on common substrates.
It bonds reliably to concrete, metal, wood, and plastics. Always check compatibility with the specific substrate before application.
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