Conservatory plaster repair

johnscts · 13 Sep 2020

I have knocked out old plaster to brickwork (done by cowboys that never road a horse) many years ago. My ? is do I use a bonding plaster or cement mix, and SBR before using a finishing plaster ( I have to insert a new bit of wire screed as well. Please advise picture added)

dontbelieveawordofit · 13 Sep 2020

sand cement .

johnscts · 13 Sep 2020

So to clarify 6 sand ( plastering sand, 1 cement). No bonding plaster ?

dontbelieveawordofit · 13 Sep 2020

5:1 sand and cement with sbr. you could throw half a lime in if you can get your hands on it. not worth buying a whole bag though.
no bonding coat

johnscts · 13 Sep 2020

Many thanks that has cleared it up a BIT. I thought the SBR was a substitute. Like you say do not want to buy a bag of lime. And if you could just clarify that it is all plastering sand ? I have building sand but will go with your final answer. ( sounds like who wants to be a millionaire

dontbelieveawordofit · 14 Sep 2020

difficult to say . plastering sand where you live may be completely different where i live.
how coarse is the plastering sand?

johnscts · 14 Sep 2020

Hi Benny it’s called plaster sand - certainly finer that builders sand pas you say difficult to judge. Is this for your suggestion In place of bonding plaster? It does seam silly to by a bag of bonding or undercoat plaster

johnscts · 14 Sep 2020

Sorry its called Plastering and I originally purchased from Wickes. - so I have builders sand, plastering sand and sharp sand I read your comments on mixtures previously

dontbelieveawordofit · 14 Sep 2020

id use the plastering sand , but only if theres no small stones in it.
failing that use the builders sand.

johnscts · 14 Sep 2020

Thank you for all your advice. Regards. John

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Conservatory plaster repair

johnscts

dontbelieveawordofit

johnscts

dontbelieveawordofit

johnscts

dontbelieveawordofit

johnscts

johnscts

dontbelieveawordofit

johnscts

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