The Helifix Approved Installer was established to ensure that Helifix products were installed correctly, in order to achieve their optimum performance criteria, and high levels of quality control were maintained. In turn, this means that customers receive superior standards of reliable workmanship and associated peace of mind.
Lengths of helical HeliBar extending 500mm either side of the crack are bonded into cut slots, normally the mortar beds, with HeliBond grout for a reliable and permanent solution. Where cracks are less than 500mm from an external corner or an opening, at least 100mm should be bent round the corner and bonded into the return wall or bent and fixed into the reveal, avoiding any DPC membrane.
Predetermined slots on the internal wall are channelled out to the specified length right into the corner. Angled holes of 10mm are drilled from the corner into the external wall. Single lengths of HeliBar are bent to shape with the angled end being PolyPlus resin bonded into the hole and the remainder HeliBond grouted into the internal wall.
Repairing or creating flat arch lintels
Where lintels have lost their load-bearing capabilities the traditional solution is to cut out the brickwork, mechanically support the masonry above and install a new lintel, which is disruptive, time consuming, expensive and aesthetically undesirable.
The Helifix method involves parallel lengths of HeliBar, which are bonded into the specified cut slots above the opening or lintel to form masonry beams and create lintels using the existing brickwork.
Twin HeliBars are bonded into predetermined cut slots around the bay above and below the window with the ends embedded in the front elevation. BowTies are driven into the joist ends via clearance holes in the masonry and low level cracks are stitched with single HeliBars.
Where masonry has cracked and failed as a result of ground movement, component failure, weathering or increased loads and stresses, the innovative and versatile Helibeam System ties the masonry together and creates deep masonry beams within the existing masonry.
The Helibeam System uses long parallel lengths of HeliBar reinforcing bars bonded into predetermined cut slots (normally the mortar beds) with HeliBond grout to form deep masonry beams which distribute the building loads. These can be used to resist vertical loads to prevent building subsidence or the horizontal displacement of a bowing wall next to internal stairwell where BowTies cannot be used as there are no joists at this point.
BowTie HDs are inserted through clearance holes in the masonry and are power-driven through the first and second joist (and third, if required)before the outer end is bonded into the masonry with PolyPlus resin.
Replacing cavity wall ties
DryFix wall ties are power driven directly into both leaves, via a small pilot hole of around 6mm diameter.
OR RetroTies are driven into a 4.5mm pilot hole in the far leaf, via a clearance hole in the near leaf into which they are bonded with PolyPlus resin.
OR ResiTies are resin bonded into a 10mm hole in both leaves.
Work Carried out in the UK by John one of the partners when he was the Supervisor for the Installation of Helifix work for Mayson Brothers a Helifix Approved Installer the work was carried out in about 2000.
Whitehaven Sports Center, Cumbria Uk, The brickwork to one side of the Building had blown down during a storm and it was found to have inadequate wall ties Mayson Brothers installed Helifix wall ties to the whole of the sports Center, crack stitching and Movement Joint creations this work was carried out in about 2001 the photos were taken in 2013 no movement has reoccurred.
St Andrews Church in the English Lake District was severely damaged by piling work when a new extension was built to a nearby College, John was the Supervisor on the Helifix beaming,crack stitching and the Re building of the Turrets on the top after installation works the tower was wraped with Helifix to prevent any future Movement work was undertaken in 2002-03 photo taken in 2013 no movement has reoccurred.
Workington Cumbria UK work carried out by John as the Installer and Supervisor a 2 storey building was severely damaged by tunnelling operations when replacing main s drainage because of heritage restrictions the houses could not be demolished Mayson brothers wrapped all the House in helifix beams and reconnected all the internal walls and floor joists.
This photo is of John doing the chasing out of the stone walls the work was carried out in 2001.