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Crack Stitching

Crack Stitching Bars

£58.00
£44.50
£53.40 inc. VAT

You save £13.50Valid until 01/01/1970

Crack stitching bars for masonry repairs and re­in­for­cem­ent of cracks in walls. High tensile (circa 8kN) helical bars in 6mm diameter for repairing a cracked wall permanently - Pack of 10

Crack Stitching Kit

£118.50
£69.75
£83.70 inc. VAT

You save £48.75Valid until 01/01/1970

Pro­fes­si­onal crack stitching kit with everything needed to improve the structural performance of cracked brickwork and stone walls. Contains 1m x 6mm helical bars, offering high tensile stainless steel re­in­for­cem­ent.

Masonry Repair Grout

£52.50
£39.80
£47.76 inc. VAT

You save £12.70Valid until 01/01/1970

Masonry repair grout for bonding helical stitching bars into cracked walls. High performance adhesive grout used for structural repairs and re­in­for­cem­ent. Tested at the BRE. Yield 3L

Masonry Ties - Long Drive Pins

£136.65
£102.25
£122.70 inc. VAT

You save £34.40Valid until 01/01/1970

Masonry ties are 450mm long drive pins that corkscrew into brick, block, concrete and masonry when driven into a pilot bore. At least 10 times quicker than grout ties - Kit size:18 or 36 pins

Brick Re­in­for­cem­ent

£47.50
£36.50
£43.80 inc. VAT

You save £11Valid until 01/01/1970

Twistfix brick re­in­for­cem­ent stitching bars are used to reinforce and strengthen fractured brick and masonry walls. Reinforcing bars are 1m long and are available in diameters of 5mm-9mm - 10 Pk

Brick Pin Fixing Kit

£274.61
£159.50
£191.40 inc. VAT

You save £115.11Valid until 01/01/1970

A brick pin fixing kit for repairing cracks in walls. These masonry stitching pins are supplied for tying brick buildings, bridges and tunnels. Kit includes 10 heavy duty helical tie bars.

Masonry Crack Repair Kit

£157.50
£99.60
£119.52 inc. VAT

You save £57.90Valid until 01/01/1970

Versatile masonry brick stitching kit. Contains all products needed for high strength, masonry repairs to cracked brick, block or stone walls. Select 6mm, 7mm or 8mm helical bars. 10 bar kit

Masonry Crack Re­in­for­cem­ent - HD

£86.34
£66.50
£79.80 inc. VAT

You save £19.84Valid until 01/01/1970

Heavy duty masonry stitching bars for crack re­in­for­cem­ent & wall repairs. These 8mm & 9mm helical crack stitch repair bars have a tensile strength of 12kN+ & 15kN+ res­pec­tive­ly Pack of 10

Reinforcing Bars - 480 Brick Stitches

£2678.40
£1392.00
£1670.40 inc. VAT

You save £1,286.40Valid until 01/01/1970

Reinforcing bars for structural brick stitching repairs. High tensile helical rebar is ma­nuf­ac­tu­red from corrosion resistant stainless steel. The re­in­for­cem­ent stitches cracks in brick walls. 480 x 1m lengths

Crack Stitching Grout x 48

£2520.00
£1499.00
£1798.80 inc. VAT

You save £1,021Valid until 01/01/1970

WHO-60 is a high performance grout designed for bonding helical bars into masonry walls. Fully tested at the BRE, this polymer modified grout is sold on pallets of 48 tubs, sufficient for fixing 480 stitching bars.

Boxed Crack Stitch Kits - Wholesale

£945.00
£534.60
£641.52 inc. VAT

You save £410.40Valid until 01/01/1970

Boxed crack stitching kits for merchants / resellers. A versatile repair kit with everything needed for the structural repair of fractured brickwork and masonry walls - Quantity 6 boxes

Crack Stitching Repair for Cracked Brickwork

 Crack Stitch Guide Crack Stitch Specification

Crack stitching is a masonry repair technique that reconnects and reinforces cracked walls. Twistfix supplies a range of masonry reinforcement products including stainless steel helical bars that stitch across the fractures to strengthen and repair cracks in walls.

When tying cracks in face brickwork these high strength bars are grouted into slots cut into mortar beds, ensuring the reinforcement is discreetly concealed once the mortar joint is pointed. Tensile forces are redistributed along the wall to dissipate load and minimise the risk of further cracking.

Method Statement

  • Remove mortar along selected bed joints.
  • Flush with clean water and bond helical bars into each slot using WHO-60 grout. Bars should extend 500mm each side of crack. Where several cracks in close proximity they can be stitched in tandem using one continuous bar.
  • Fill and seal fissure to prevent the ingress of water
  • Depth of the slots should be 30mm on single leaf brickwork and 45mm on a solid double brick wall. Thicker walls should be stitched from both sides.
  • Bars should be spaced at 300mm to 450mm intervals

When repairing fractures in rendered walls the reinforcing bars can be installed directly into the brick units to bind them together and, where shear strength is an issue, to permit the use of diagonal reinforcement. Stitching offers a quick, easy and reliable method of restoring the structural integrity of cracked walls at cost effective prices.

Product Specifications

  • Helical Bars: 304 Grade stainless steel
    • Bar Diameter: 5, 6, 7, 8 and 9mm
    • Available Lengths: 1.0, 1.5 and 2.0 metres and in 7metre coils.
    • Tensile strength: 1050-1200N/mm2
  • Bonding Grout: Polymer modified cement based formulation
    • Compressive Strength:55N/mm2
    • Tensile Strength: 5N/mm2
    • Flexural Strength:12N/mm2
    • Youngs Modulus:13N/mm2

As a market leader in the supply of the best retrofit reinforcement products in the UK, Twistfix are able to offer technical advice on crack stitching techniques that repair cracks in walls permanently, irrespective of whether they are built from brick, block or stone. Simply call our help line to speak to a masonry crack repair expert.

 

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