SB-530 JointWeld™ HD is a two component, rapid curing 1:1 ratio polyurea joint filler designed for extremely heavy duty traffic and freezer applications. It is self leveling, 100% solids and flexible, allowing 10-15% movement of installed joint width. SB-530 is used to fill interior control joints or new construction saw joints on horizontal concrete surfaces. SB-530 is designed for industrial floor applications, receiving heavy duty traffic. SB-530 can be used in exterior applications, when minimal joint movement from thermal cycling will occur.

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