WWilts Posted October 18, 2021 Share Posted October 18, 2021 (edited) Mortar droppings have created near-airtight weepholes in external cavity walls. Height of walls so far about 1.8m. 225mm from weephole bottom to finished floor level. Cavity insulation will be bonded EPS beads blown in. How important is it to push for the mortar droppings to be cleared out? What would be the consequences of blocked weepholes? Agreed with builder that a cavity board should be placed on the ties while brickwork is going on. To catch mortar droppings. Edited October 18, 2021 by WWilts Link to comment Share on other sites More sharing options...
nod Posted October 19, 2021 Share Posted October 19, 2021 If they are blocked They May as not be there As a rendering business We can’t help but block wrap vents So it’s a case of going round with a drill with a 5 mil bit to give them a careful clean out Link to comment Share on other sites More sharing options...
Russell griffiths Posted October 19, 2021 Share Posted October 19, 2021 Old practice was to leave a brick out every so often to clean out the cavity, now most brickies are rough nobody does it, hence the poor quality of stuff being built. In oz you where made to hose the cavity before home time to clean it out. Link to comment Share on other sites More sharing options...
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