The Traker is a manual tool for installing contraction joints in concrete slabs-on-ground. Compared to saw-cuts, Trak Joints are four times faster, 75% less costly, and dust free.
The joints are installed early — immediately before or after bull-floating, while the concrete is highly workable. The early entry joints cause cracks to appear typically the day after placement.
The Traker uses a roll of plastic tape resting against an insertion disc. The insertion disc folds and embeds the tape into fresh concrete. The top edge of the tape is pushed slightly below the concrete surface. The tape remains in the slab to create a weakened plane.
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