Crack Stitching Rods 100 Pack
Crack stitching rods are used to repair and strengthen cracked walls. High-tensile helical rods are fixed across fractures in brick, block and stone walls to reconnect and fortify areas of weakened brickwork, enhancing the tensile, shear and flexural strength of the masonry.
Manufactured from austenitic stainless steel, these stitching rods, which offer a permanent retrofit reinforcement solution for fractured walls, will last beyond the design life of the building.
Installing Crack Stitching Rods
A series of stitching rods are secured into pre-wetted slots, that have been cut into the wall, using high strength polymer-modified cementitious grout. The rods are spaced at 300mm to 450mm centres and extend 500mm each side of the crack to restore the structural integrity of fractured brickwork. They are typically concealed in the mortar bed joints to retain the original character of the wall.
The grout-bonded reinforcement progressively accumulates concentrated building loads and evenly distributes the stress along the full length of the bars. The helix-shaped rods form part of a brick stitching system is quick and easy to install; the repair stabilises masonry structures and provides lasting resilience against further cracking.
Characteristic Properties & Performance
|Cross Sectional Area||8mm2|
|Material||Stainless Steel (ASIS-304)|
|Lead Distance (360o twist)||30mm|
|Ultimate Tensile Strength Range||1025-1225Nmm2|
|Mean Tensile Capacity||9kN|
|0.2% Proof Stress||>870N/mm2|
|CE Mark Tested to||BS EN 846-4:2002|
|Tensile Load - 1 Bar bonded in bed joint with WHO-60 Grout||8.39kN|
|Tensile Load - 2 Bars bonded in bed joint with WHO-60 Grout||16.00kN|
|Packaging||2 Bundles of 50 pieces|
|Manufactured for Twistfix by||Thor Helical|
|Country of Manufacture||United Kingdom|
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