Helifix Movement Joints
Helifix Movement Joints
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.
Send a product enquiryHelifix 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.
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 joint.
Step 3.
Inject resin or grout into the slot 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.
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