render on top of render?

Discussion in 'Builders' Talk' started by RMH, Jun 3, 2006.

  1. RMH

    RMH New Member

    Could someone please advise me, two of my garden walls have been rendered in the past albeit badly and I would like to get them re-coated. The existing render has had numerous coats of paint over the years. Would it be ok just to scratch a key in the existing surface first or should I consider the use of expanded metal or similar.
    Many Thanks
  2. it depends if the current rendering is of a certain quality..
    is it strong enough to hold the new coat or it barely manages to hold itself?
    if barely manages to hold itself then even EML mesh wouldnt have where to stand.. ..

    try out.. if old render can be chopped easy just get rid of it and the new render can go on well prior to some exterior pva..
  3. Prior to some "exterior pva"....Oh Dear.....Oh Dear Oh Dear Oh Dear, someone was not paying attention in plastering class were they London?
  4. its called febond!

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