BF01 - Crack Stitch - Target Fixings

Diagram of Method Statement

BF·01

Crack Stitching

Method Statement

Cut a slot into horizontal mortar joint using a wall chaser
Clean slot with vacuum and thoroughly flush with water
Insert a bead of Bond Flex into the back of the slot using a Bond Flex gun kit
Push the Bar Flex into the Bond Flex at the back of the slot
Insert a bead of Bond Flex over the exposed Bar Flex and iron into the slot using a finger trowel
Point or fill the joint and leave ready for any decoration.
Repeat 1-6 for other required stitches

Guidelines

Depth of slot is between 25 mm and 35 mm.
Bar Flex to be installed a minimum of 500 mm each side of the crack.
Vertical spacing of crack stitches is 450 mm (6 brick courses).
Where a crack is within 500 mm of the end of a wall, continue Bar Flex for at least 100 mm around the corner and fix into the adjoining wall.
Where a crack is within 500 mm of an opening, bend Bar Flex back and fix into the reveal.

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