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Thks For input Chaps I'm guessing after looking at previous logs that in line with nhbc guidelines 6.1 (g) no expansion gaps are needed for the brickwork

Well the mix used was 1:5 apparently......but in reality I can't be quite sure

Hi If some one can advise please it would be much appreciated. We are building a garage/workshop 12m by 6.4m.... We are just below roof level and noticed a couple of cracks in the blockwork in both a 12m run and 6m run.We have no expansion joints as wasnt specified in drawings,dont...