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  • damp proofing question

    Builders

    my house has a conservatory on the back. Will I need to locate my damp proofing bricks before I higher the garden up or will it be ok to higher the patio to the highest step to the door.

    Asked by Rebecca on 16th Apr 2019
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    Shire builders

    "The building regulations, advise a minimum of 150mm from the ground level to the damp proof course. So I would not advise rising the garden level up unless you still have a 150mm difference from the ground level to the damp proof course.
    If you are on about the air bricks these have to be below the damp proof course to allow the underfloor ventilation. I would recommend employing a qualified surveyor."

    Answered on 16th Apr 2019 - Member since Jul 2014 - report
    B.R.A.D. Building Roofing And Devolpment

    "Hi you should always have at least two courses from path height to your damp course to stop it rising over your damp level"

    Answered on 16th May 2019 - Member since May 2019 - report
    Dpl roofing & property services ltd

    "Hi there you should always be 2 course off brick in height to be height from the ground to be on the damp course hope this is help help full"

    Answered on 20th May 2019 - Member since Feb 2019 - report
    J Contracting Ltd

    "If you must raise external levels, first Locate damp proof course then dig a trench 500mm depth below damp. You will then need to use tanking against the wall then backfill with shingle or similar aggregate. Then install a channel drain against the full length of the wall, to the desired finished level. It can be done, but it must be done properly or you risk bridging the dpc"

    Answered on 25th Jul 2019 - Member since Jun 2019 - report
    R&R building Services

    "You need to add a damp proofing paint to any timber that is being fitted to the house."

    Answered on 11th Jul 2019 - Member since Feb 2019 - report
    Jmc property maintenance service

    "Hi it all depends on how high you are going
    It’s not good to be higher than your damp proof course
    You may need to install a soak away or drainage

    You don’t want any water falling back on to the house walls
    As this can cause damp
    Also anything under the paving may need to be tanked"

    Answered on 16th Apr 2019 - Member since Mar 2019 - report
    Csmmm Builders

    "Hi there

    I personally would locate the dpc first because it could affect your conservatory in the long run"

    Answered on 20th Apr 2019 - Member since Feb 2019 - report

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