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External painting-Brick built bungalow circa 1930s

Discussion in 'Decorating and Painting' started by tonybhoy, 30 May 2021.

  1. tonybhoy

    tonybhoy

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    Hi guys, I'm looking for some advice re the existing cement render on my house which is a 1936 detached bungalow in Glasgow.

    The render is in pretty good condition except that some of the top finish coat has deteriorated over the years and has flaked off so last summer I power washed the walls to remove the rest of the flaking top finish and painted the house but unfortunately the bare patches of render turned yellow so what we have now are large patches of yellow on all of the walls (photos below).

    I would like to either have those patches repaired (if possible) or re-render the whole house (approx 100m2) with a smooth render like K-rend or similar but in the meantime I would like to re-paint the house (just to make it look acceptable) but I think I need to treat those yellow patches with something to stop that staining through to the new paint.

    I managed to get an online ballpark figure for materials from this site below but it was just pure guesswork from me of what was required by using the online calculator however they did contact me so I provided them with some more information and that''s what their estimate is based on which was £1762.

    https://ewistore.co.uk

    I've posted this in the rouchcaster's forum too as I wasn't sure where to post this exactly.

    Thanks in advance for any replies/advice.

    Tony

    BTW, if anyone in Glasgow want's to quote for the work just PM me, I'm in G76.
     

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  3. lostinthelight

    lostinthelight

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    Im not an expert but it looks like may be damp or soil stain sucked up the wall but no expert as I say.
     
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  4. tonybhoy

    tonybhoy

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    Thanks it may well be especially the areas round the doors at the back of the house but those yellow stains are high up on some of the other walls, the front of the house has about ten course of facing brick from the ground up to where the cement render starts.

    EFD3CBB1-F235-4149-B7C5-40D7EAE5AA43.jpeg 2E2294D1-14E7-45AE-8456-0C3FC07AEA3B.jpeg
     
  5. lostinthelight

    lostinthelight

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    You dont have any pictures showing brickwork though so peeps only have whats shown to go on.
     
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  6. tonybhoy

    tonybhoy

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    I've put some photos up, thanks.
     
  7. sxturbo

    sxturbo

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    Its the yellow sand of the render showing through. Did you use a masonry primer + undercoat or just slap white paint straight on?
     
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  8. tonybhoy

    tonybhoy

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    Slapped white paint straight on:(
     
  9. sxturbo

    sxturbo

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    Ah that be it.

    Paint over it with primer and undercoat then put white over, and should be ok then.

    Would be worth pressure washing the wall again first though
     
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  11. tonybhoy

    tonybhoy

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    Thanks again(y)
     
  12. tonybhoy

    tonybhoy

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    Hi @sxturbo, just wondering if I can water down the existing masonry paint to use as an undercoat?

    I bought a couple of 20 litre drums last summer and have a load left.

    I intend to just do the short walls at the French doors as a test before I do the whole house.

    The masonry paint I have is below.

    Think it's Paint master masonary paint, I bought it locally, unbranded though.

    image.jpg
     
    Last edited: 31 May 2021
  13. lostinthelight

    lostinthelight

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    Stabilizing solution evens out the background making for a better overall finish, if water based has that paint been stored completely frost free?
     
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  14. tonybhoy

    tonybhoy

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    Hi thanks @lostinthelight, yes the paint has been stored inside.

    Would this below be suitable for priming/stabilizing?

    Also can I water down the masonry paint and use that as an undercoat?

    Providing the paint is okay of course.

    I've not opened the drum yet so it might well be off.

    https://www.screwfix.com/p/sandtex-...VBsPVCh2xigBUEAQYCCABEgJGMfD_BwE&gclsrc=aw.ds
     
  15. lostinthelight

    lostinthelight

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    Yes, Ive used that before
     
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  16. lostinthelight

    lostinthelight

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    I dont thinks theres any need to mist coat first as theres no suction when you've applied SS
     
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  17. sxturbo

    sxturbo

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    Yeah don't do a must coat.
     
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