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    Floor insulation

    Use screws/ nails to support polystyrene sheets (jab floor) between the joists. The sheets are cheap as chips and available from builders merchants as they have to be included in any new build concrete floor. Leave a 50mm gap between it and your floor boards. Then fit whole sheets of the same...
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    switching

    You can control one light to come on (or off) when the others are off (or on) or have the one light follow the others. You can make your one light do the opposite of the others. Any of these options (but only one at a time) can be achieved with an extra two way switch. Why not have two two...
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    new light fitting

    If the lamp is low voltage, there would be a transformer, if your lamp is mains voltage, there is not one. If you do have low voltage lights you need to connect the transformer inputs together not the fittings. What you need to do is connect the Live from all the fittings (or transformers if...
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    Mouldy walls by window

    Mould likes damp. As for the condensation.... Houses (older ones especially) were designed to breathe, and blocking all the vents and leaks up to keep warm for less money just traps all of the water the animals inside (us people included) generate. The water reappears from the atmosphere as...
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    Floorboards

    Best way to do this is to lift some of the floor and get into the void. Use chicken wire to support underlay - try to leave a 50mm gap between it and your floor boards - or use screws/ nails to support polystyrene sheets (jab floor). The sheets are available for builders merchants as they have...
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    new light fitting

    Parallel-ing the feeds from the lamp holder / transformer of the existing fitting should be ok, but unless you are putting the new fittings between the same joists as the first, you'll need to make a big enough hole to get a drill through. Most flat leases allow for reasonable access to...
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    junction boxes

    J-boxes are often are used to make alterations without needing to chase out and re-plaster where the existing wiring is ok. Could be the rings were extended, or a set of radial circuits were converted into rings. The gas board used to prefer it's sparkies to use calibrated crimps for simple...
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    a new plaster board ceiling

    Shop fitters and office fitters rarely skim either. Use tapered edge boards, fill gaps and nail holes with joint cement (comes in powder form or ready mixed up), sand flat and paint. Er that's it. I would not use this technique in my own house, but it is personal preferance. Wouldn't...
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    3 gang 2 way dimmer switch - help!

    You don't say which set of lights does not work. If it is one set of the ceiling lights, may well be a shared earth, but if so, where does the other end terminate? If the under cupboard lights are faulty, perhaps they were an after thought, and in order to avoid chasing the wall out again...
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    Low voltage wiring query?

    As you have swapped the lamps around, and the lamps work but the fitting does not, this would suggest either the wiring from the transformer to the lampholder or the transformer is at fault. (You didn't say where you measured.) Check the voltage at the lampholder by using croc clips on your...
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    Removing a stud/partition wall

    I hope you're really sure that it isn't supporting anything. Sometimes studwork walls are supporting floor joists, trimmers staircases or roof members. Most of the 30s semis round where I live have original studwork holding up the Queens holding up the Purlins. Removing just a door frame (I...
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    Wiring in a new switch unit

    Usually a three way lighting circuit is the same as a two way circuit with a change over (intermediate) switch in the middle. 2 way>> Live from rose (or J-box) to first switch common and out on either L1 or L2. Last switch, in on L1 or L2, out on common. When both switches are set to L1 or...
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    garage electrics

    if the consumer unit is in the garage, this should be really easy. spur the lighting off of the lighting circuit at the mcb. how to do this items are all over this site. if you only want a double socket spur directly out of an existing ring mcb. if you want two - 5 doubles , fit a new ring...
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    shower stopped

    there is usually a valve which turns the water flow on and off. the heater elements are generally controlled to only operate when the water is running. the valve has most likely failed and will need replacing. they cost about £25 +vat from the manufacturers as spare parts but a plumbers...
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    Please help

    Hi lard, Have posted a few "how to"s in answer to other queries which might help you. otherwise post back or [email protected] and I'll try to talk you through is that two switches or is it a two way switch?
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    Kitchen Underlighters

    Where does the cable for the underlighters terminate? let me know and I'll try to assist you. reply to forum or email [email protected]
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    Topaz Electric Shower

    two main components in an electric shower. one heats the water, the other one is a valve. Valve is supposed to operate only when the shower is switched on, and the heater should only work when the water is running. sounds like the control circuits have died so I'd consider a new one if you...
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    spur sockets

    You can extend a ring provided you don't exceed 20 outlets ie 10 doubles. to extend a ring from only one point, you will need to break the ring. remove one of the original cables from the double socket and joint to a new cable. use a 30A junction box, or calibrated crimps if you have them...
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    size of joists

    horrah, i did copy it correctly
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    size of joists

    What are you holding up? What timber grade are you using? Makes a difference. Span tables available from http://www.buildingcontrol.org/bcuk/regulations/documents.asp. you can download pdf files of all building regs free of charge. very handy unfortunately the site uses frames, so I...
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