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  1. R

    Formulas

    Two simple rules which might help and speed things up a bit. You can move an item to the other side of the equals if you change its sign (+ve to -ve and -ve to +ve) x - 2y = 7 is the same as x = 2y + 7 Also, if you have divisions, you can move items across the equals if you invert it...
  2. R

    Floorboard removal

    You can't end with a vertical cut with a circular saw, so you have to choose whether to cut into the next board or stop at the edge and finish off with a handsaw such as a small tenon saw. But really important - make sure you only cut the depth of the board because you don't know what's...
  3. R

    FCUs and switches with labels

    I must admit I had wondered what could be achieved with a dremel type tool and a template, but I guess alignment and spacing would need some care But you could presumably engrave any range of accesories.
  4. R

    FCUs and switches with labels

    That's the one - many thanks
  5. R

    FCUs and switches with labels

    I am sure that someone once recommended an online supplier of electrical accessories with bespoke labels - I'm thinking things like "fridge" or dishwasher" for a kitchen - can anyone point me in the right direction? Like a fool, I thought I'd easily be able to find the post when I needed it -...
  6. R

    PILOT LIGHT WILL NOT LIGHT!!!!ARGH

    I'm not an expert and there are lots of different boiler types. Usually, you need to hold the button down for several seconds while the thermocouple heats up and then the jet should stay open and keep lit. If it doesn't spark - check the power supply and the piezo electric unit If it...
  7. R

    Hot water overflow into loft tank

    You might like to look at this topic which deals with the same problem http://www.diynot.com/forums/viewtopic.php?t=111794 Some possible solutions there for you to think about.
  8. R

    Pumping over problem

    Love the diagram Chris, but they would definitely need to be tropical fish :D My system isn't quite that simple because the feed and vent are a long way from the pump which is above the boiler - it'd probably work better if they weren't. Looks like the boiler was moved when the extension...
  9. R

    Pumping over problem

    My CH system is pumping over into the header tank. I have searched through the old posts on the subject and the general wisdom seems to be:- Top of overflow pipe not high enough above level of water in tank Corrosion Too much pump pressure. I don't think it's corrosion because...
  10. R

    Draining kitchen waste into soil stack

    Thanks for that - looks easy and cheap - just wonder why the previous owner didn't do it.
  11. R

    Draining kitchen waste into soil stack

    I would like to run the waste water from a kitchen sink and a dishwasher through an internal wall into a 4" plastic soil stack in an adjacent room (downstairs wc). Is there any reason why this would not be a good idea and what would be the easiest way to connect to the existing stack. At...
  12. R

    Supplying a peninsula

    Not sure how this happened - I think the autocomplete got carried away. I didn't create the other user either - must have been my teenage son. Sorry for any confusion, wasn't done intentionally :oops: Thanks for all the ideas :)
  13. R

    Supplying a peninsula

    I meant that it is joined at one end only and projects from the wall. The socket under the worktop dodge is cunning - and the design isn't finished yet so the worktop could be a bit longer. :)
  14. R

    Laying floor tiles over existing tiles

    Thanks for the fast reply. Having excavated a little, it would seem that there are not two layers of tiles, just two different sorts of tile. Therefore, I am inclined to go with the screed and retile idea because it is a largeish area of 20-25 m2 and domestic harmony is already frayed by...
  15. R

    Laying floor tiles over existing tiles

    I have a kitchen floor with ceramic tiles which are sound but we just don't like them. Firstly, is it ok just to tile over the top - and if so, what preparation would be required? Secondly, there is an area under units which wasn't tiled last time but has older tiles about 6mm or so...
  16. R

    Picture of the week!™

    Maybe the students haven't arrived yet - won't stay like that for long!
  17. R

    Is this allowed? - Adding a new cable.

    If you are going to try and pull the cable through you need a plan B because it may get stuck or break at the join. For plasterboard walls I've had success with thin whippy timber mouldings like 3/8 quadrant which is very bendy - drill a small hole in the end and attach one core to it. Its...
  18. R

    Removing old polystyrene tiles from the ceiling

    Have a look here:- http://www.diynot.com/forums/viewtopic.php?t=59274 I know this works because my plaster tried to put on PVA before skimming over the adhesive and it softened it. Wish I'd read this topic first!
  19. R

    patching 100mm hole on bathroom ceiling

    Assuming that it's a plasterboard ceiling, I would cut a piece of plasterboard to match (usually 12.5mm) and screw to a backing of wood such as a piece of floorboard. You'd probably find it easier to make the hole rectangular to start with, and scrape about an inch of plaster off around the...
  20. R

    saving money on plastering

    I believe that many new builds have walls like this. Tapered boards were designed so that you can just skim the tapers and then paint the plasterboard. I'm sure that the pros would say that it doesn't look as good and it isn't very durable. However, you are less likely to bang furniture...
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