Dear Lads, Now here's one from left-field for you... When the Plumber was drilling his holes for the new pipes and taps in my rendered-brick walls, his drill bit must have pushed some of the render ever-so-slightly off the brickwork before breaking through, causing the render to delaminate slightly. The result - the dreaded "Drummy" render... With all the new pipework brazed-up and in place, it's a pretty tall order to just go and knock all of the drummy render off, because a lot...

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