Helix Super Spiro Crack Stitching (crack repair)

Grout gun

Helix Super Spiro Bars and Helix Super Grout repair and stablise cracked masonry. The Helix Bars can be used in many applications to include lintel and new build bedjoint reinforcing.

Installation

Just follow the steps detailed below.

Cut out horizontal mortar joint with a disc cutter to a minimum of 500mm either side of the crack to the specified depth.

Clean out slots and thoroughly flush with water.

Vertical spacing every 4-6 brick courses 300mm - 450mm.

Depth of slot for single cavity wall, 25mm - 35mm. 45mm for a solid wall.

Inject the Helix Super Grout using the Helix Grout Injection gun to the rear of the cut mortar joint.

Push the Helix Bar into the Helix Grout creating a strong bond around the Helix Bar.

Insert Helix Super Grout to fill the slot 10-15mm from the face allowing to repoint mortar bed and make good .

Repair cracks near corners and openings when 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.

Benefits

  • Cost effective and permanent
  • Cut to any length on site
  • Excellent bonding between the Helix Bar and Helix Grout

Helix Super Grout is a non- shrink, pumpable, thixotropic, high performance, cement based grout suitable for injection with a hand applicator.

Packaging. The packaging of the grout ensures that consistent results are obtained with every mix. There is nothing to leave out and more importantly nothing to add. Contractor error is therefore practically eliminated.

Available in 1.5 litres, 3 litres, 6 litres with the Helix Super Grout Injection Gun.

Specification

Helix Super Spiro Bars are manufactured from austenitic stainless steel type 304.

  • 6mm/8mm widths
  • lengths 1 metre, 1.5 metres, 3 metres

Helix Super Grout, non shrink, thixotropic.