I have a small wall
 

I have a small wall

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The previous homeowner built it, or had someone build it, or something. I think it's made of some kind of blocks (they left me a pallet worth that I had to take to the dump) and then covered in something I will call 'outdoor plaster'. It's kinda crumbly. I made the mistake of thinking it was solid and banged something against it and a bit crumbled away. Anyway, that's not my (only) problem (I have many). They painted it in a nice white that looked great when we bought the house. But now is peeling off in large chunks:

IMG_1645

I would like to repaint it so it looks nice again. But not sure what I should do before doing that, so it lasts more than 2 years (well, it started peeling about 6 months after moving in but now there's more bare wall than painted wall). Does anyone have any experience of this and could offer some advice/ insight?

 
Posted : 27/01/2024 5:52 pm
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Budget?

I'd remove all the plaster and put facing stone and some copestones on instead.

A cheaper version would be remove the plaster and add lathes of wood to hide the block work.

 
Posted : 27/01/2024 6:01 pm
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Hack it all off and replace with coloured render?

 
Posted : 27/01/2024 6:10 pm
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No budget as such at the moment. Probably ‘spend enough to do the job properly’. Not sure about facing stone, there’s a lot more wall than just this bit, might be a bit OTT. The rear house extension is covered in white render (or render painted white? Not sure) so taking the plaster off and rendering might be a good shout.

next question, how hard is it to render a wall?

 
Posted : 27/01/2024 7:46 pm
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how hard is it to render a wall?

simple.  getting a smooth finish however is rather trickier but perfectly possible if you take your time.  If you are happy with a rustic finish go for it

 
Posted : 27/01/2024 7:54 pm
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Rendering is fairly easy. In fact repairing that wall is a weekend job .
Hack it off . PVA it . Batten it so you can maintain a constant depth. 2 coats , scratch coat then top coat.
Paint with masonry paint
Or for alot more Dosh cornice the tops and tile the face with split face tiles to blend in with the flagstone path.

 
Posted : 27/01/2024 8:09 pm
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You could try a paint stabilising solution on the render that's there, but really it needs replacing

Hack the old off. Prep the surface with a render stabilising solution (pre-render, not pre-paint) if necessary. Screw parallel timber laths to the wall and run a trowel full of render into the gaps using the tops of the laths like rails to give a uniform thickness.

Remove the laths when the render has dried and fill the gaps using the dried render as a guide. The laths will "move" so don't be tempted to leave them

Crossover with STM 🙂

 
Posted : 27/01/2024 8:23 pm
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Sorry, I thought Trump had signed up to the forum.

 
Posted : 28/01/2024 12:18 am
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Thanks all, sounds like I’ll be learning how to render in the near future then. Poopscoop - my wall isn’t even big enough to keep the children off the plants 😕

 
Posted : 29/01/2024 12:24 pm
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Is this a humble brag?

 
Posted : 29/01/2024 12:25 pm