1. Cut a slot into the horizontal mortar joint using a wall chaser
2. Clean the slot with a vacuum and thoroughly flush with water
3. Using the Bond Flex gun kit, insert a 10 mm depth bead of Bond Flex into the back of the slot
4. Using the finger trowel, push the Bar Flex into the bead of Bond Flex, ensuring good even coverage
5. Repeat steps 3-4 with a second bead of Bond Flex and second Bar Flex
6. Insert a final bead of Bond Flex over the exposed Bar Flex and iron into the slot using a finger trowel
7. Re-point or fill the joint and leave ready for any decoration
A. Depth of slot is between 55 mm and 70 mm
B. Bar Flex to extend a minimum of 500 mm each side of the opening
C. Where Bar Flex is joined for long runs, a minimum of 500 mm overlap should be allowed