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Rendering over existing new rendering
Anonymous user 01/03/2024 - 2.56 PM
Hi all, I recently got a local plasterer to render a retaining block wall I had built. He did an absolutely shocking job of it. The corners were wonky as he didn't put the beading on properly and I am wondering if I can put new beading over the top and re-render or should I chip it all off and start again? Or are there any other ways I could sort it?
Are you a tradesperson and able to answer this question?
4 Answers
Anonymous user
We do not recommend rendering over existing render due to the large amount of unknown factors regarding suitability for new render. these unknown factors include the strength, bond, thickness and quality of the existing render, as well as any existing applied surface treatments which could affect the adhesion of the new render.
Additional coats of render can only be applied safely when the existing work is sound and has satisfactory adhesion over the whole area involved. Further rendering coats should not be applied over soft, friable material, or where the existing render is greater than 15mm thickness.
Answered16 August 2021
1
Wirral bespoke plastering
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You could knock off the rubbish rendering off and start a fresh. I put beed on I use a spirit level to make sure it is level.
Answered16 August 2021
1
Anonymous user
Hi if the render is hollow I suggest taking it off but u can scar it up with a grinder and paint it with sbr and cement slurry re bead and re render hope this helps Jason
Answered16 August 2021
1