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    Brick arch - with a difference

    Some years ago the BDA ( Brick Developement Assn. ) built a twisted arch outside its HQ and issued a "pamphlet" to show how the brickie did it. I remember seeing an apprentice brickie submitting two (much smaller scale) intersecting, twisted arches for his Advanced Craft Cert C&G. He used...
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    What is causing the damp in these photos?

    1. Do as your list proposes. 2. Do not go near any waterproofing agent, it will only cause further difficulties down the line. 3. Ignore the technicalities of DPC injection. Render the interior walls, including the fireback and cheeks with a 4-1-1 mix to 1M height. 4. Your floor will...
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    Help! Advice on identifying damp source at high up!

    1. Was the loft conversion there when you bought the house? Any documentation or drawings? 2. Does the wall in question have a roof dividing parapet from your neighbour's, or is this a gable wall? 3.If you are newbies to this game then dont go up ladders or on the roof. Get some bino's and...
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    What is causing the damp in these photos?

    2. Perhaps it's only the fireback that is 4.5" - cheeky bricklayers. 3. DPC injection, FWIW, in solid walls is typically "double drilled" from the exterior. Hence, the fireback would have been drilled from the exterior. I can see injection holes in the fireback first course which indicates...
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    Filling hole in interior concrete floor around C/H pipes

    1. As mentioned above, no professional plumber would have installed that dog's body. However, the original first fix was also a rubbish layout and wrong tube . I'd suggest that the cu tube did not "crack" but split due to a lack of expansion room. 2. Copper tube in concrete, if it must have...
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    Filling hole in interior concrete floor around C/H pipes

    3. Did the flat below report any water damage? 4. Cu. in concrete must be one length of tube with no fittings under the concrete. Is your cu sheathed or wrapped to protect it from the concrete? Was the original leak due to degrading?
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    What is causing the damp in these photos?

    2. Ignore the position of the frame - the gable appears to be a 9" solid wall, which would be appropriate for the built date. Water might be penetrating thro the frame reveal tight to the c/breast. Spray water on and observe. Smeared on patch pointing appears to have taken place. Whats...
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    Filling hole in interior concrete floor around C/H pipes

    1. You should be certain that the leak/pressure drop business is definitely "solved" before making good. 2. Where is your pic? 3. "concrete floor of bedroom" - is this on the ground floor? 4. What material is the repaired pipe - copper etc?
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    What is causing the damp in these photos?

    7. Given the waste on the gable, perhaps carefully examine for weeping leaks, any supplies to the basin etc that the waste serves.
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    What is causing the damp in these photos?

    1. What do you propose to do with the open fireplace (s)? 2. How do you know that the fireback is single brick? On the outside of the fireplace cheek, does it measure back 2 x bricks to the back wall? 3. Typical for your conditions would be some penetrating and a little rising damp. 4. If...
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    Downpipe Across Extension Roof

    Can you post pics of the rear elevation with both you and your neighbour's elev showing? Does this RWP drain both your properties, or only your roof? Unless access and new falls are too difficult, you might be better off bringing the main roof outlet and RWP away from the property line, and...
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    A £100 prize to charity for info. ref the first DPC's instal

    No further movement on this subject, so i'll ask contributors to nominate a charity of their choice.
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    A £100 prize to charity for info. ref the first DPC's instal

    How do you know that the Roman's used slate for DPC's? Do you have any references that you could cite?
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    A £100 prize to charity for info. ref the first DPC's instal

    Well, not much movement in this post so i'll let it run a bit longer, and then ask for nominations for a charity. I do hope you all realise that this means the wife must go back on nights at the chippy?
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    Urgent Help Required - Mains Drains layout on new build

    My suggestion to the OP is that if this is a self-build, then to stop right now, and call in a professional for at least a heads-up bit of advice. Like learning to drive, when learning to build, if you are in a hurry then you are wrong. And BCO will confirm it. If that is the best plan you...
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    Greenhouse concrete foundation advise required

    What about the "floor" inside the structure - why not pour a slab? No heavy foundation would then be required., and you could build off the edge of the slab. How will the walls be constructed?
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    A £100 prize to charity for info. ref the first DPC's instal

    john d, thank you, correct it's not that early! woody, thank you for the citations. Now we have a bench mark date. Stefan Methesius in his "English Terraced House" claims that DPC's were introduced in 1850, and that all housing stock in Manchester and elsewhere, invariably had DPC's...
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    Connecting to lead supply pipe

    Well you could shut the water off, and remove the packing nut on the spindle, pack the stuffing box with PTFE rope (or twisted PTFE tape), tape the nut threads and nip up the packing nut. You could also release the spindle head from the body of the valve and replace the jumper washer. If the...
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    Connecting to lead supply pipe

    Delta, i think that you are spot on. I totally missed what was staring me in the face. Dan 86, as Delta indicates, you can remove the valve by loosening the nuts on either side, and replace it with a new one. No cutting required. Take the old valve into a plumbing supplies to show...
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