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exterior wall render

Discussion in 'Building' started by rasputine, 26 Feb 2019.

  1. rasputine

    rasputine

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    Hi i am looking for a filler for a exterior wall, that has been rendered with what appears to be a semi flexible material. I imagine this was done to cover failed pointing or prevent damp penetration. The problem is that some of the surface has cracked and peeling, the majority of it is OK, but i thought it best to make good those parts that are bad. i need some advise on whats best for the job, as having it striped and rendered will cost close to £3.500. would welcome any advise on this as i need to make the best of the dry weather and get it sorted.
     
  2. KenGMac

    KenGMac

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    rasputine, good evening.

    Generally, how deep are the cracks and how long are they?

    Ken
     
  3. ^woody^

    ^woody^

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    Sandtex paint or similar.
     
  4. rasputine

    rasputine

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    Hi the cracks are not to deep but where its flaked there's signs of the brickwork showing, i did think about sandtex but am not sure if i can build up to the existing thickness of around 5mm, i wonder if i could add something to sandtex to give it some body and pre - seal the bad areas with PVA, my aim is to stop any rainwater getting between the base and the render.
     
  5. ^woody^

    ^woody^

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    Sand/ cement then sandtex.
     
  6. rasputine

    rasputine

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    Yeah I tried a bad patch at the lower level, primed with PVA part diluted, and a mix of plastering sand and cement and a weak solution of plastisizer, it not a perfect match to the surface, but not a problem, have given it two coats of Dulux weather shield and when it all done it should look ok, scaffold goes up next week, thanks for your input.
     
  7. DIYnot Local

    DIYnot Local

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