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  1. B

    hair line cracks in render

    Can anyone tell me why i sometimes get hairline cracks in my render? I wet the blocks down with a hose then leave 10 mins, on with the scratch coat. 4 plastering sand, 1 cement with waterproofer. Leave a few days then on with the top coat: 5 plastering sand, 1 cement ,1 lime. Apply top coat...
  2. B

    white render

    i am going to render some retaining concrete block walls in my garden and want them to be white. Will snowcrete, lime and plastering sand give me a bright white finish? Any advice?
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