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Create Movement Joints in Existing Wall

Structural Repair - Helifix Movement Joints


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


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


Helifix Movement Joints

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


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






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

The Helifix 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.


Features

  • Rapid economical solution to lack of expansion joints

  • Comprises stainless steel helical reinforcing bars

  • Accommodates differential building movement


Helifix Movement Joints



Benefits:

  • Avoids expensive taking down and rebuilding

  • Minimal disruption to building’s fabric

  • Fully concealed once installed



Installation:



Step 1

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


Step 2

Cut horizontal slots in the mortar beds. Cut the vertical movement joints.

Step 3

Inject resin or grout into the slots and insert the Helifix Helibar/sleeve assembly.

Step 4

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

Products mentioned:


Helifix Movement Joints


DryFix


HeliBond Grout



Pointing Gun



Polyplus Resin



Learn more about Helifix structural repair systems:


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