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    DHutch about Megaflo Air Gap etc

    Huge thread recovery, however I am looking at either one of these cylinders or an alternative unvented tank. Pros: Well insulated so low losses, well known and proven, now have a life/30yr warranty. Cons: Larger size due to air gap, ability to service air gap. Presumably it is sealed for death...
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    Old lime plaster - Making good to paint/paper.

    We have a whole house redecorating project after moving in and having the place rewired and replumbed. So we are looking at the best options to make the walls good before painting. Had the first and main room re-papered a month ago, but we where not happy with the finish, badly cut top and...
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    Sanding Cement Plaster - Flatting off chases

    As per the title, what is the best way of taking this back a bit, sanding block and lots of med-grit aluminium oxide paper? Post re-wire we are now decorating the main room, chases have been filled with Limelite 'high impact' (link below) not always perfectly and need to get the decorator to...
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    Dimming LEDs - options.

    Had the whole house re-wired, looking to have dimmers in a couple of the rooms, and just re-asking the question before going ahead an buying. I looked into various options including some more 'industrial systems' but came back to running conventional wiring, with the topology of power going to...
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    10mm droppers to large radiator.

    We need to run pipework down to the ground floor rads as part of a full heating system replacement. Edwardian property with good thick plaster and good bit rooms. Modern Viessmann boiler. Rads in one room are expected to be fairly large, something like 700x2000 K2 Stelrads, at just under 4kw a...
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    Single pipe central heating systems - hybrid options?

    After some advice. I have recently traced all the heating pipes in our house and discovered it is plumbed as a one pipe system. There are actually in total five circuits each with there own balancing valve with only 2-3 radiators on them, it appears when new its was quite a high spec system...
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    Lath and plaster lime ceiling repair - skim with gypsum?

    What is the best option for making good thus cieling? We're eight months in to owning a 1905 Edwardian house and trying to get one of the two main rooms redecorated. Having removed the lining and textured paper, the decorator says it needs repair rather than repapering and the plasterer who was...
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    Dimmable LED lighting system?

    What options are available in terms of dimmable LED based lights and fittings. Obviously one option is a conventional 240v lighting dimmer and the dimmable LED replacement bulbs, but they tend to dim really badly, and both bulb and dimmer hum like crazy. I am expecting to rewire my next house...
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    Conservatory wiring - has to have isolator?

    Is it true you must have isolation ok wiring going into a conservatory? Parents are just having one installed, I assumed the electrian would extend the ring into it, but instead they have a fcu on a socket, following fcu for lights, then an isolator for the 1kw underfloor heating. Two sockets...
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    Using epoxy over conventional grout?

    I am looking to extend the life of some failing shower tilling by rerouting the bottom 2ft or so and wondering what the best grout/adhesive is to hold it all together for another 18months. My shower is tiled with 2 inch mosaics onto plasterboard, the grout low quality and is not keeping up, and...
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    Driving on concrete slabs. What to bed them on?

    My parents have a path around their house made of semi decorative concrete 18inch slabs. Due to the nature of the otherwise gravel driveway these get drive on repeated and are not standing the pace. They need re-laying on a firmer footing but they are not sure what to spec. Most of the path...
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    Concealing Glass - AKA Painting over windows.

    Am I right in thinking there are rules on concealing glass panes, such as painting over them, due to the risk of the public on releasing it is fragile. Sure I have seen something on this and I have certainly still an installation where there where iso looking decals warning that a panel which...
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    3 Position 2 Way switch

    I am after a 3 position on-off-on switch, I am aware they are not common, but have seen a few around and would like to buy one. Switch will be used to switch the floodlights I am putting up, to allow me to have the on, off, or pir controlled. If it comes to it will just omit the ability to...
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    Blocking off an unused (never used) chimney in a new house?

    Is it acceptable to block off the top and bottom of an unused chimney in a new house without providing ventilation to the space? Looking online a lot of guides recommend fitting a ventilated cowl and the top and a louver at the bottom, stating that the soot and associated chemicals cause...
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    How often should I get my gas boiler serviced?

    Parents have electric underfloor heading so I am new to gas boilers. Unit was serviced as part of the sale of the house but has done three years since then and is obviously going to run for more hours in the next three months than the following 9. Never missed a beat and I don't feel I...
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    LED flood lights - cheap

    When I looked three years ago for flood lights LEDs where quite pricey, but looking again now there are about £1/watt with 10 and 20w versions with or without pir littering ebay. Example...
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    Recessed gas meter box - 470 wide

    I am looking to have my recessed gas-meter box changed but cannot seem to find one to fit the size of hole in my wall. - All the boxes online appear to be 365mm wide or 'a brick and a half' wide. - My box is around 470 wide, or in other words 'two full bricks' wide. - Height and depth...
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    Primer 'balling up' when sanded?

    What can be done to minimise balling up, short of wet sanding? I have painted a number of parts in Dulux Metalshield 'High Build' Zinc Phosphate Primer. It was a bit of a sod to apply, as it was very thick and tended to skin and the pull if not working very fast. I could mainly keep up with...
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    Zinc Phosphate primer - Painting Exterior Metals

    What surface prep for painting old steelwork? I am looking for solution to painting rusting and half painted exterior steel work as I have some metalwork, in fact a small excavator arm, that I am restoring and need to repaint. - Fully washed and degreased but a mix of rust and oil paint...
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    Decent Gloss Paint for Steel - Woolworth's Poppy Red

    I have and old digger that I am restoring and want to repaint and am wondering what paint to use for the final coat. Largely there isn't much rust over the bulk of the area, the paints just very dull and marked where the decals have failed. There are some patches of rust breaking out, so my...
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