Remedial DPC type work - 1800's garage stone wall

Discussion in 'Building' started by srdegnan, 18 Dec 2012.

  1. srdegnan

    srdegnan

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    Hi

    I live in a 200 year old coach house which I've been in a couple of years. It's solid stone/cavities which have had a chemical DPC (fairly successful, a couple of revisits).

    I'm now looking at the attached garage (well the coach bit of the house!). No DPC work has been done here. No cavity either.

    The rear wall of the garage is is around 10 metres long and backs onto a field where we suffer from occasional water run off if there's weeks of heavy rain. (and a not very helpful farmer to do anything about it). The walls here have had their damp level rise in the last year.

    I'm going to be injecting some DPC cream here shortly.

    I'm in the process of putting some drainage in at the rear of the house to at least redirect water when it's at it's worst. I'm also repairing the mortar along the length of the building as it's worn.

    Anyway - the question is ...

    I've dug around a foot into the ground on the external wall so I can get easy access to repair the render. I think (and I am a novice) it would be worth applying some DPC material vertically below ground and possibly some single to help draining. Any reasons this wouldn't be a good idea? Also suggestions for DPC material would be appreciated.

    Once this is a bit drier, I need to repaint the inside of the garage ... suggestions for something suitable would be good.

    Cheers

    Stephen
     
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  3. ^woody^

    ^woody^

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    I don't think putting DPC(DPM) material up a wall below ground will do anything, as the wall will still wick moisture up from the ground behind the DPM

    Any internal paint will only be successful if the wall does not get too saturated, and if the stone and mortar is sound on the surface - ie not friable

    RIW or Superprufe or similar might do
     
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    DIYnot Local

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