Sika SikaFlex PRO-3 is a 1-component, moisture-curing, elastic joint sealant with high mechanical and chemical resistance.
Sika SikaFlex PRO-3 is designed for movement joints in floors, pedestrian and traffic areas. For instance, parking decks, car parks & warehouses. Similarly production
areas, applications in the food industry, sewage treatment plants, tunnel construction and in cleanrooms.
– Movement capability of ± 35% (ASTM C 719)
– Very high mechanical and chemical resistance
– Bubble-free curing
– Good adhesion to most construction materials
– Very low emissions
The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles. SikaFlex PRO-3 adheres without primers and/or activators. However, for optimum adhesion and critical, high performance applications, such as on multi-story buildings, highly stressed joints or extreme weather exposure, priming is advised.
After the necessary substrate preparation, insert a suitable backing rod to the required depth and apply any primer if necessary. Insert a foil pack or cartridge into the sealant gun and extrude Sikaflex® PRO-3 into the joint making sure that it comes into full contact with the sides of the joint and avoids any air entrapment.
Use a compatible tooling agent. For instance, Sika® Tooling Agent N, to smooth the joint surfaces. Do not use tooling products containing solvents.
Clean all tools and application equipment immediately after use with Sika® Remover-208 and/or Sika® TopClean T.
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