Crack repair and stitching resin injection twistfix. Cracked masonry is best stabilized by bonding helibar helical stainless steel bars into appropriate bed joints or cut slots. 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. Crack stitching is a masonry repair technique that reconnects and reinforces cracked walls. Helibar helical reinforcing bars, bonded into masonry with helibond cementitious grout, have a variety of applications. A mixing paddle, finger trowel, crack stitching pointing gun and nozzle are included in the kit. The system allows cracks in masonry to be stabilised by bonding brickfix helical crack stitching bar into slots cut into the walls mortar course using. Cracked masonry products from asrs asrs supplies ltd. The helifix crack stitching kit contains the necessary components for the effective and reliable stitching of cracked masonry.
Compression resistance should be checked with the helifix technical department. Helical crack stitching masonry resin repair kits ebay. I use helifix all the time an iv used twist fix and id say helifix hands down crack stitching with the helirods an helifix is peace of cake be shore to wash out the cuts. Ideally additional wetting of the slot should be carried out just prior to injecting the helibond grout. Helical bars for crack stitching are stainless steel reinforcement bars that are used to repair and stabilize cracked bricks, concrete blocks and other masonry construction the helical bars are made of 304 and 316 grade austenitic stainless steel. The helifix system is a fast and cost effective solution to a wide range of common structural faults. Helifix crack stitching repairs and stabilises cracked masonry using stainless.
Mr crack fix is an approved installer of the helifix stitching system. For solid masonry in excess of 12 and in a cavity wall where both wythes are cracked, the wall must be crack stitched on both sides. Suitable for use in stitching all types of cracked brick, block and masonry. Tensile forces are redistributed along the full 1m length of the 6mm diameter stainless steel reinforcement bars to stabilise and strengthen the wall. Masonry may move and crack as a result of movement in foundation soils, seismic activity and cyclical wet and dry, hot and cold environmental conditions. Select from our 5 bar or 10 bar professional crack stitching kit with everything needed for repairing cracks in walls. Crack stitching kits crack stitching repair quadrabuild. In 1m lengths they are used for fast, effective, permanent and concealed crack stitching that is more reliable than simple crack injection methods. Bonding helibar stainless steel bars into appropriate bed joints or cut slot stabilises the masonry and redistributes tensile loads to minimise further development of the crack.
Repairs carried out using this crack stitching kit system will stabilise the structure, provide resistance against further cracking and restore the structural integrity of the masonry. Crack stitching masonry resin repair kits cracks in masonry, brick and stone come about due to movement in the ground, fatigue in building materials such as wall tie corrossion or excessive loads coming to bear such as soil retaining walls. The helibeam system is an ideal means of costeffectively providing new masonry structures with reliable, long term, engineered reinforcement. The brickfix masonry crack stitching kit offers a fast and costeffective solution for crack repair in masonry walls. Helifix stitching system mr crack fix wall stitching. High tensile crack stitching bars are bonded into slots made in masonry to stitch across cracks in walls. For most situations the helibeam system is able to secure the building by creating masonry beams that reinforce the existing masonry and redistribute the loads away from the problem area. Crack stitching must be installed in the masonry and never in the render. The mille great west road brentford london tw8 9dw tel.
Manufactured from stainless, austenitic steel of 6mm diameter in any length from 1m to 10m. As well as substantial cost savings crack stitching repairs return the building to as good or better than original structural condition. We also offer fully accredited cpd courses on masonry repairs to engineering and. Select the standard kit for 10 crack stitching bars and 3l grout or the mini kit for 5 helical reinforcement bars and 1. If there is render, this thickness must be added to the depth of slot. The helifix crack stitching kit comes complete with all necessary materials for effective and reliable stitching of cracked masonry. This kit contains all the necessary components to permanently repair vertical or stepped cracks in masonry. Crack repair products strengthen cracked walls by enhancing the tensile, flexural and shear strength of masonry using various brick reinforcement techniques. Crack stitching is a method of repairing and stabilising cracked masonry using. Helifix crack stitching provides a quick, simple, effective and permanent means of stabilising cracked masonry. Helifix stuccopin stabilizes damaged stucco exterior on.
Crack repair bars are simply and effectively grouted across cracks in walls to reconnect and strengthen masonry. Tensile loads are redistributed along the masonry to minimise further developments of the crack which may occur with simple injection methods. Repair cracked brickwork helifix crack stitching box kit. Cracks are usually caused by structural movement attributable to temperature variations, chemical reactions, age deterioration or changes in the moisture content of brickwork, or. The product is supplied in a kit within the handy mixing bucket. Testing should always be undertaken on site using the helifix load test unit. Matrix grouting mortar, a special grouting mortar, is specifically prepared to meet the requirements of the matrix crack stitching bars, enabling a firstrate binding integration of the steel into the selected masonry.
Masonry may deteriorate, crack, delaminate and fail for a variety of reasons. Helifix australia supplies the australian construction industry with a range of construction ties, fixings and masonry repair and reinforcement systems, providing solutions for modern masonry repair and reinforcement and commonly occuring structural faults. Crack stitching for the repair of cracked masonry by helifix helifix crack stitching repairs and stabilises cracked masonry using stainless steel helibars bonded into cut slots with helibond grout for a quick, simple, effective and permanent solution. Installation involves bonding stainless steel helibars into appropriate bed joints or cut slots in bricks, blocks or stonework, using helibond cementitious grout helibar and helibond combine to produce an excellent bond within the substrate, resisting tensile loads. Cracked masonry is best stabilised by bonding helibar stainless steel bars into appropriate bed joints or cut slots. Crack stitching bars provide a permanent solution for masonry repairs and cracked wall reinforcement. John heseltine, technical manager at helifix explains how to use the crack stitching kit. Crack stitching bars matrix industries matrix industries. Helifix crack repair stitching products to stabilise cracked. Commonly used in long lengths to create masonry beams which stabilise. Tensile loads are redistributed along the masonry to. Specially designed helical rods combined with cembond grout allow you reconnect masonry sections quickly and easily for a lasting repair. Permagard crack stitching kit has been designed to contain all the components needed to allow you to repair vertical or stepped cracks in masonry walls. Installation involves bonding stainless steel helibars into appropriate bed joints or cut slots in bricks, blocks or stonework, using helibond cementitious grout.
Bonds helibar stainless bars into appropriate bed joints or cut slots, stabilises masonry and redistributes tensile loads to minimise any further development of the crack. Ideal for either the remedial specialist or the contractor with a oneoff repair job, the kit contains staifixthor helical reinforcing bars, cementitious grout, a paddle for grout mixing, a grout. Extremely simple to install during construction, the helibeam system uses helibar reinforcing bars which bond with the mortar masonry to become an integral and unseen part of the structure by forming reinforce. Costs for crack stitching and stabilising are a fraction of what is required to rebuild from scratch. Cracked masonry is best stabilized by bonding helibar helical stainless steel bars into appropriate bed joints or cut slots, in bricks, blocks or. Helifix is continually developing a range of wall ties, which accommodate modern methods of construction. Helifix crack stitches installed to weak block work. The brickfix crack stitching system offers a fast and costeffective solution for crack repair in masonry walls.
The high strength, nondisruptive solution for the permanent repair of cracked masonry. Helifix structural fixings 3 products sort by filter 0 filters clear all. Helically twisted crack stitching bars are used to reconnect and reinforce. Of particular interest are its nonintrusive and nondisruptive qualities. Thor helical crack stitching kit the high strength, nondisruptive solution for the permanent repair of cracked masonry. The thixotropic cement based cementitious grout is perfect for masonry repairs and installing spiracoil crack stitching bars or similar helical wire products. Clean out slots and flush with clean water and thoroughly soak the substrate within the slot. Helifix crack stitching repairs and stabilizes cracked masonry using helical stainless steel helibars bonded into cut slots with helibond grout for a quick, simple, effective and permanent solution. Crack stitching kit includes 10 crack stitching bars, 3 liter pail of who60 grout, mixing paddle, mortar gun with nozzle, repair motar mix, and repointing tools.
You will also find detailed examples of completed helifix repairs on our projects index page and photos index page. Helifix crack stitching repairs and stabilises cracked masonry using stainless steel helibars bonded into cut slots with helibond grout for a quick, simple, effective and permanent solution cracked masonry is best stabilised by bonding helibar stainless steel bars into appropriate bed joints or cut slots. Product data sheet pdscs01 crack stitching helifix. Crack stitching walls is a cost effective remedy for repairing cracked brickwork and masonry. Most of these problems can be overcome by using various combinations of helifix remedial ties and masonry reinforcement products. Helifix crack stitching repairs and stabilizes cracked masonry using helical stainless steel helibars bonded into cut slots with helibond grout for a quick, simple, effective and permanent solution cracked masonry is best stabilized by bonding helibar helical stainless steel bars into appropriate bed joints or cut slots, in bricks, blocks or stonework with helibond. A mixing paddle, finger trowel, crackstitching pointing gun and nozzle are included in the kit. Crack stitching lengths of helibar extending 500mm either side of the crack are bonded into cut slots, normally the mortar beds, with helibond grout or resin for a reliable and permanent solution.
These patented heavy duty helical reinforcement bars offer superior performance to other helibar type crack stitch products to significantly increase the shear, tensile and flexural strength of cracked masonry walls. Our range of helical bars and ties anchored with high quality grouts and resins provide sound structural stabilisation and if carried out correctly and. Crack stitching is a method of repairing and stabilising cracked masonry using helibars 6mm diameter bonded into cut slots with helibond cementitious grout. Fixing density should be calculated by the helifix technical department minimum fixing density. A crack stitching kit with 6mm helical bar suitable for up to 10 crack stitches each a metre long subject to wastage and site conditions. May 24, 2012 john heseltine, technical manager at helifix explains how to use the crack stitching kit. Crack stitching for the repair of cracked masonry by helifix. General background the pressure injection method of crack repair was developed by the hazardous building committee of the structural engineers association of southern california and the city of.
In accordance with project specification or check with helifix technical department. Twistfix supplies a range of masonry reinforcement products including stainless steel helical bars that stitch across the fractures to strengthen and repair cracks. Combined with tying, pinning and crack stitching, the helibeam system will restore full structural integrity. Crack stitching is a method of repairing and stabilising cracked masonry using helibars 6mm diameter bonded into cut slots with helibond cementitious grout masonry may move and crack as a result of movement in foundation soils, seismic activity and cyclical wet and dry, hot and cold environmental conditions. Helifix crack stitching repairs and stabilises cracked masonry using stainless steel helibars bonded into cut slots with helibond grout for a quick, simple, effective and permanent solution. Helical bars for crack stitching new york masonry helical.
Crack stitching remedial wall ties grout free wall anchors masonry reinforcement bar. Helifix crack repair stitching products to stabilise. Using the cs pointing gun kit, inject a bead of helibond. Kits are available containing 10 lengths of 6mm helibar. Permagard masonry crack repair kit 6mm crack stitching.
Crack stitching kit new york masonry helical ties, masonry. This is materialonly so does not include any tools. For an initial view of the type of repairs that can be carried out, use the links below to see some typical applications of the helifix and helibeam systems. Bonding helibar stainless steel bars into appropriate bed joints or cut slot stabilises the masonry and minimises further development of the crack. In hot conditions ensure the masonry is well wetted or primed to prevent premature drying of the helibond due to rapid dewatering. Using the cs pointing gun kit, inject a bead of helibond to the back of the slot. The helical bars are made of 304 and 316 grade austenitic stainless steel. If there is stucco, this thickness must be added to the depth of slot.
Crack stitching bars provide a permanent solution for masonry repairs and cracked wall reinforcement to suit vertical, stepped or corner cracks in masonry. Kit containing all the components needed for the repair of cracks in masonry walls. Bonding helibar stainless steel bars into appropriate bed joints or cut slot stabilises the masonry and redistributes tensile loads to minimise further development of. Licences under which the likes of brutt, helifix and target. For solid masonry in excess of 300mm thick and in a cavity wall where both leaves are cracked, the wall must be crack stitched on both sides.
Experts inthe remedial market have designed the kits contents, guaranteeing the correct specification of. Crack stitching must be installed in the masonry and never in the stucco. Crack repair rods are simply and effectively grouted across cracks in walls to reconnect and strengthen masonry. Our range of helical bars and ties anchored with high quality grouts and resins provide sound structural stabilisation and if carried out correctly. New from ancon, the staifixthor helical crack stitching kit is a high strength, nondisruptive solution for the permanent repair of cracked masonry. Contains all the necessary components for effective and reliable stitching of cracked masonry. Jun 18, 2012 helifix crack stitching repairs and stabilises cracked masonry using stainless steel helibars bonded into cut slots with helibond grout for a quick, simple, effective and permanent solution. Rake out or cut slots into the horizontal mortar beds, a minimum of 500mm either side of the crack, to the specified depth. Helifix recommended the stuccopin ties be installed at a 45 degree downward angle to increase the surface area of the helical tie embedded in the stucco which would increase the. In hot conditions ensure the masonry is well wetted or. The metal stitching kit allows cracks in masonry to be stabilised by bonding brickfix helical bars into slots cut into the walls mortar course using specially formulated brickfix ce1 grout. The system allows cracks in masonry to be stabilised by bonding brickfix helical crack stitching bar into slots cut into the walls mortar course using specially formulated brickfix grouts. Helifix crack repair helibar cardboard tube cw end caps 1m x 80mm 10 pack. Concrete crack injection repair an epoxy sealing system kit for repairing vertical and horizontal cracks in concrete walls, floors, columns, beams and lintels.
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