The principal components of the Helibeam System are HeliBars, of differing lengths depending upon the application, which are bonded into cut slots at pre-determined levels in the masonry using HeliBond thixotropic cementitious grout. It is the composite action between the HeliBars and HeliBond that provides the core element of the Helibeam System, making it such a versatile, reliable and successful masonry repair system. HeliBar starts as round stainless steel wire with a typical 0.2% proof stress of 500N/mm² but after the cold forming manufacturing process that creates the helical hi-fin design, this more than doubles to around 1100N/mm². This means that HeliBar, with its relatively small diameter, provides substantial tensile properties to the masonry, particularly when combined with HeliBond grout which locks between the fins and bonds to the masonry. Consequently, the well proven Helibeam System has a variety of remedial and new build applications.

• Crack stitching.
• Lintel repair and creation.
• Forming deep masonry beams.
• Horizontal structural restraint.
• Creating new opening in existing masonry.
• For reinforcing new build masonry.

REFERENCE Crack Stitching, Lintel repairs, Masonry Beams.

• Austenitic stainless steel helical reinforcing bars.
• Great axial strength yet creates no additional stresses.
• Accommodates differential building movement.
• Generates high tensile strength with mortar and HeliBond grout.
• Extremely economical compared with alternative methods.
• Minimal disruption to the building’s fabric or occupants.
• Spreads loads to avoid secondary cracking.
• Mitigates the potential for cracking in shrinkable materials.

• HeliBond cementitious grout.
• Cures to 60N/mm².
• Works equally well in deep anchoring situations and in mortar joint applications.

REFERENCE HeliBond.

Using 400mm long rods, installation is very similar to crack stitching. The rod is installed across the joint, as with cracks, but is only bonded at one end. The other end is allowed to move freely by inserting it into a sleeve which is bonded into the masonry.