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1. Drill a clearance hole through the outer leaf of the wall and three quarters of the way into the inner leaf.
2. Blow out the hole and thoroughly flush with water.
3. Fix the Cem Flex nozzle to the Bond Flex gun kit
4. Mix Bond Flex and load into Bond Flex gun kit
5. Pump Bond Flex to the outlet of the nozzle. Insert the nozzle to the full depth of the drilled hole and pump Bond Flex to fill the hole. Keep light pressure on the gun to ensure that all voids are filled with Bond Flex.
6. Wind the correct length Cem Flex into the hole using the Cem Flex insertion tool.
7. Make good at the surface of all holes and leave ready for any decoration.
A. Clearance hole to be 13-16 mm diameter depending on the material to be used
B. Cem Flex to be installed at the density of 2.5 per square metre (i.e. 900 mm horizontal and 450 mm vertical spacing and alternate rows staggered).
C. Around opening density to be increased and Cem Flex installed at 300 mm vertical spacing and 225 mm back from the opening.
