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Render or ProPERLA

Hello
i have been approached by a company who say due to our house having had cavity wall insulation and facing into a prevailing wind we can get a grant for treatment with this properla stuff. Our house badly needs rendering. 

Now this is not an area in which I am in any way experienced

The internet has not really been the source of much info at all 

 (Im not sure why I called myself my username. As I was not as stupid as it implies and am worried this may be a scam.)

I can’t seem to find any info on this properla. 

He assured me it is much better than just rendering the house and due to my sons disability we could get some kind of funding too

i have not applied for this grant as I can’t be sure it’s the right thing to do

does anyone know any thing about it?? 

The search I did on here just said it was highly chemical. I can photo the info I was left with if anyone is interested 

I have not done so as I didn’t want to mention names. 

Also I’m not in the pay of or advertising this at all whatsoever 😁

Comments

  • When I say there’s not much on the internet. I mean about using it on a house instead of render. I can’t see how it can work 

    just needed to clarify 
    sorry
    as there is lots of info about the paint itself but not reviews of it in this situation 
  • Hello
    i have been approached by a company who say due to our house having had cavity wall insulation and facing into a prevailing wind we can get a grant for treatment with this properla stuff. Our house badly needs rendering.
    Sounds like a lot of bovine excrement to me.  There must be at least a million houses in the country that have cavity wall insulation and are exposed to a bit of wind.  Never heard of this stuff, but a quick Google revealed that one particular installer is a company notorious round these parts for charging eye-wateringly extortionate prices for magic waterproof roof coatings that will increase the value of your house by a million quid and make it last forever.
    Maybe I'm being over-cynical - but it sounds very much like snake-oil to me.

  • Whilst its never wise to look a gift horse in the mouth, cowboys make hay whilst dining on a free lunch.

    Ya get me?
    No man is worth crawling on this earth.

    So much to read, so little time.
  • FreeBear
    FreeBear Posts: 17,245 Forumite
    Ninth Anniversary 10,000 Posts Name Dropper Photogenic
    Confusedeasily said: i have been approached by a company who say due to our house having had cavity wall insulation and facing into a prevailing wind we can get a grant for treatment with this properla stuff.
    Two big red flags there. A reputable company will not cold call to drum up business. This "grant" is probably provided by the company in question - In which case, it is not a grant, just a marketing ploy to get you to cough up for an already overpriced job - Anglia First (the window company) tried to pull the same stunt with me and really didn't like my response.

    Finally, slapping waterproof coatings on to brick, especially soft facing bricks, will lead to spalling. If your walls are already rendered, smearing a thin coating on is not going to do anything worthwhile. It certainly won't seal any cracks, and if the surface is flaky, that will continue. The only long term fix is to remove the flaky surface, fill the cracks, and then apply another layer of render. Alternatively, remove all the render back to brick and start afresh. But going that route, building regs kick in and you'd be required to add insulation and/or make other thermal improvements.

    If you want a low cost coloured coating for an external wall, you can't go far wrong with lime wash - Dirt cheap if you mix your own from a tub of lime putty.
    Her courage will change the world.

    Treasure the moments that you have. Savour them for as long as you can for they will never come back again.
  • Thank you all. This is what I was worried about. Well you’ve all set me straight thanks so much!! 
  • WustyRex
    WustyRex Posts: 29 Forumite
    10 Posts First Anniversary
    ProPerla is very very good. I have used their exterior paint on many projects and it is brilliant. 

    . BUT though it is definately a well proven insulation method that has been around for many years, the idea for the nano tech' is to keep heat OUT of a building (Comes from Shuttle NASA... reflecting heat away from the Shuttle when re-entering the atmosphere). So if you live in a hot country with limited or no insulation its a great product to keep your place cooler. (Think steel roof or terracotta tiles with just a void underneath)
    For an external coating on a building here in Blighty.......
    Yes it will seal out rain and allow the surface to breath IF the surface is currently breathable. If its sand and cement render it ain't so no advantage. 
    Yes it will not help blown render at all.
    If it is the 'Cream' you are being quoted for.... fantastic on bare brick, stone , concrete etc.

    The only issue with any surface and coating used on any wall is that they will not hide lumps, undulations, cracks , pits and pots.
    If you feel your render is failing, then get new render.

    ProPerla is based in Bury by Decor8 Ltd.  Great products, when used correctly. Not avialable to non approved / trained .
    #
    #

  • Chanes
    Chanes Posts: 882 Forumite
    Ninth Anniversary 500 Posts Combo Breaker
    edited 18 October 2021 at 8:23PM
    We had one brick wall aspect facing rain and fitted with cavity wall insulation which was not giving any problems and works as described keeping the house warm but concerned about keeping it dry we used Stormdry, I applied it myself as instructions and it works fine for me. This video helped me to think about it. https://www.youtube.com/watch?v=-eq5zNWnO8o
  • FreeBear
    FreeBear Posts: 17,245 Forumite
    Ninth Anniversary 10,000 Posts Name Dropper Photogenic
    Chanes said: we used Stormdry, I applied it myself as instructions and it works fine for me. This video helped me to think about it.
    Pity he didn't do the same test with an untreated sample of brick. That would have allowed for a comparison.
    The test is fundamentally flawed anyway - You don't get such a pressure differential with a brick wall in real life (at least in a domestic setting). So on that basis alone, the "test" is somewhat pointless.

    Her courage will change the world.

    Treasure the moments that you have. Savour them for as long as you can for they will never come back again.
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