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RTUD Ratcheting Take-Up Device

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The RTUD ratcheting take-up device is a cost-effective wood shrinkage compensation solution for continuous threaded rod systems. The RTUD is rod-diameter specific and allows for unlimited shrinkage. It is hand-installed on top of the BPRTUD (bearing plate), and after the SD9 screws have fastened the take-up device through the bearing plate and into the wood sole plate, the device provides continuous engagement with the rod, enabling the system to perform as designed at all times.

Key Features

  • Maintains rod-system tightness, allowing it to perform as designed
  • Pass-through design provides unlimited shrinkage compensation
  • Available for threaded rod of 3/8″, 1/2″, 5/8″, 3/4″, 7/8″ and 1″ diameters
  • Very minimal force required to allow rod to pass through take-up device, so mitigating rod buckling during wood shrinkage


  • High-strength steel inserts and mild-strength outer body


  • Corrosion-resistant finish


  • The RTUD should be hand-installed until the base of the device fully bears on top of the BPRTUD
  • Once the fastener holes are aligned and the RTUD is flush, install the Strong-Drive® fasteners
  • Once the RTUD is installed, a series of internal threaded wedges enable the device to ratchet down the rod as the wood structure shrinks, but engage the rod in the reverse direction when under tensile loading
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