I am using the 8 mm helical bars and have cut out to a depth of 47 mm ( bed thickness 12 mm approx) for a concrete block retaining wall that has cracked from top to bottom one block width from the corner, crack opened 1/8" at top to 0 at bottom(6 courses of blocks).
You mention 30/40 for the 215x215 block. You suggest filling the cutout 2 thirds full.
Is 1 Kg of the permagard cement mix per bar enough to do this?
3 years ago
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