Masonry Crack Stitching

 

Thor Helical Standard Details TCS-01 to 08

Crack Stitching can be used in isolation or accompanied by a range of Thor Helical methodologies to restore structural stability to a building. These are single bar installations that are generally incorporated into mortar bed joints to traverse cracks and dissipate stresses within masonry over a larger surface area whilst still allowing small movements of the structure due to natural temperature variations. Crack Stitching may also be tied through masonry to reinstate failed corner details, or incorporated into slip ties to provide structural connections across movement joints.

 

The series of photographs below illustrate an example of a before and after Crack Stitch installation used in conjunction with Masonry Beam to return structural integrity to a crack brick wall caused by root ingress from a climbing ivy that was allowed to get out of control.

 

Illustration crack damage to south east facing wall between ground and first floor windows. Remnants of climbing plant are still visible across wall.

Illustration of crack damage below ground floor window on same south east wall.

Illustration of crack damage radiating from front door opening on south east wall.

 

Series of photographs illustrating combination of Crack Stitch and Masonry Beam specified to return structural integrity to the wall.

 

Series of photographs illustrating the completed installation of bars and repointing of chases in cement mortar. Cracked bricks were repaired with Thor E Resin coloured to match as closely as possible with existing building fabric.

 

From an environmental, economic and aesthetic perspective the Thor Helical system is quick to install, thus reducing on site time; minimizes waste by retaining large sections of a building that would have traditionally been replaced, and retains the original fabric of a building where masonry may be difficult to match.

As an approved specifier and installer of the Thor Helical products we can offer an insurance backed 10 year warranty on Crack Stitching works for a small additional fee through Construction Guarantee Services Limited

 

Masonry Crack Stitching

Resurspec Structural Repair Specialists Norwich Norfolk Thor Helical Remedial

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