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    dot and dab wall sealing

    hi , can you just dot and dab straight onto bricks and low suction blockwork ? i have seen plasterers do it but looking online its a mixed bag of ideas ? also why are the boards not put direct on the floor ? is it for rising damp ? cheers
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    rendering concrete blocks

    hi all, i want to render an external concrete block wall i have built, what mix do i use ? its a cavity wall so do i need to add a waterproofer ? how long between coats ? also i was wondering if i used a 5;1 mix for the blockwork would a stronger mix of render have any effect on the blocks in...
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    shock risk

    could someone clarify this for me - a live 230v main feeder cable becomes faulty and becomes in contact with the ground which im stood on, this cable is straight from the supply transformer and fault occurs before main cut out. would i recieve a shock due to my feet been apart creating a p.d ...
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    air bricks

    my house has two air bricks which will be under the suspended floor of my new conservatory, can i just put air bricks in the new cony wall to allow airflow or do i need to duct the house ones outside and add new ones just for the cony suspended floor ? thanks
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    electric shock voltage levels

    if a 230v live touches a metal kettle case thats earthed, does the metal go to 230v until its cleared by the fuse etc ? or does it clear that fast it wont rise to 230 potential ? cheers
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    possible damp issue

    is it ok to have a dpm one brick course above dpc level so internal floor level can be higher ? these are single brick walls for a conservatorie , doing this would mean new floor level would be slightly higher than existing house dpc level is that ok to do ? thanks
  7. V

    dpc and floor levels

    my cony brickwork is upto existing house dpc level, but due to garden levels i would like to build up by one more course, this would mean the cony floor would finish higher than the existing house dpc is this ok to do ? i have bitumined the brickwork upto exixsting dpc level and would keep the...
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    dpm issue

    hi all , i have searched about this issue but am still not clear on a true answer ! so, i have built walls for my cony upto dpc level, to match existing house dpc. where the cony meets the existing house wall (now internal) i was going to lap the dpm up the wall to just above dpc, then when...
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    vertical dpc

    hi all, i need to know if vertical dpcs are really needed for adding conservatories to the back of my house, it will have two walls of full height glass pannels and one will be a cavity wall, i dont like the idea of cutting through the outer skin as it must weaken the wall , and if the cony was...
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