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Helifix Movement Joints

HeliBar stainless steel helical bars in conjunction with plastic debonding sleeves can be used to create a movement joint in an existing wall.

The 6mm diameter HeliBar is available in either austenitic stainless steel Grade 304 (1.4301) or 316 (1.4401) and is supplied in a standard length of 400mm for this application. The sleeve is 200mm long to debond half the bar, allowing movement to take place at the joint.

The HeliBar restrains the masonry against lateral loads whilst the sleeve allows the masonry to expand and contract.

The HeliBar-sleeve assembly is installed in cut slots which cross the location of the new movement joint, with the sleeve part positioned on alternate left and right sides of the bar.

To find out more on movement joint applications click here

Installation

1. Install wall ties both sides of the intended vertical movement joint in a grid pattern.

2. Cut horizontal slots in the mortar beds. Cut the vertical movement joint.

3. Inject resin or grout into the slot and insert the HeliBar/sleeve assembly.

4. Make good the slots and wall ties holes. Seal the joint with a flexible mastic material.

Features

  • Rapid economical solution to lack of expansion joints
  • Comprises stainless steel helical reinforcing bars
  • Accommodates differential building movement

Benefits

  • Avoids expensive taking down and rebuilding
  • Minimal disruption to building’s fabric
  • Fully concealed once installed

Features

  • Rapid economical solution to lack of expansion joints
  • Comprises stainless steel helical reinforcing bars
  • Accommodates differential building movement

Benefits

  • Avoids expensive taking down and rebuilding
  • Minimal disruption to building’s fabric
  • Fully concealed once installed

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