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  1. J

    Do I need to clean this concrete before glueing engineered wood?

    That’s probably because it takes the same amount of time than grinding and the customer pays for the screed plus a premium for sourcing the material That is, if the floor is level
  2. J

    Do I need to clean this concrete before glueing engineered wood?

    Wouldn't a light grinding be quicker? I've checked for level and it's within the floor specification
  3. J

    Do I need to clean this concrete before glueing engineered wood?

    And will the screed adhere to a non clean substrate?
  4. J

    Do I need to clean this concrete before glueing engineered wood?

    Why do I need the self levelling? It's quite flat already
  5. J

    How does a solar inverter connect to a CU without bypassing the RCD?

    Thanks, so they connect it to the non-rcd side on the CU. Isn’t another reason that if the load on one rcd side circuit is less than the current pv production (and excess going into a battery), then all current flows from inverter to said circuit, without going through any rcd? Is this even...
  6. J

    How does a solar inverter connect to a CU without bypassing the RCD?

    Hi all, I've had quite a few solar panels quotes from different solar companies and I realise I have asked questions that they might not have been able to answer correctly as they were the salesmen and not the electricians doing the work. I think one of them said they will connect the inverter...
  7. J

    Do I need to clean this concrete before glueing engineered wood?

    I have a concrete floor that used to have tiles; the tiles have been removed prior to plastering so the concrete is ‘stained’ with plaster; there are also some paint residues due to me spraying some doors in this room Do I need to clean it before glueing the wood floor to it? What’s the best way?
  8. J

    Can I use water based paint over solvent based primer?

    I normally use only water based primers and paints; I have some preprimed doors (not sure what primer they used) which I had to trim so I needed to prime the sides; having run out of wood primer I bought this Leyland Wood Primer from SF...
  9. J

    Loud creaking noise from radiator

    I don’t feel anything at the valve Boiler pressure is around 1.5bar This is what I replied to the vendor Hello, Thanks for your quick reply. I don’t think it’s normal to have such loud noises and the cause can’t be the high temperature as it’s already running at 40° flow temperature. The...
  10. J

    Loud creaking noise from radiator

    It behaves exactly the same without the TRV head
  11. J

    Loud creaking noise from radiator

    I’ll try as soon as I get home; are you thinking about cavitation?
  12. J

    Loud creaking noise from radiator

    It’s this radiator https://www.traderadiators.com/trade-direct-aphex-aluminium-designer-radiator-white-1600mm-x-372mm-smooth
  13. J

    Loud creaking noise from radiator

    I think it comes from the radiator body; I can also make it do that by applying some pressure on it by hand The company I bought if from replied I've listened to the video, it is simply the sound of the metal expanding/ contracting. This isn't a product fault and is common with aluminium...
  14. J

    Loud creaking noise from radiator

    I purchased this radiator about a year ago; it has always made some creaky sounds while heating (I assume it's due to metal expansion and different metal parts rubbing together); while this was acceptable initially, the noise has recently become 10 times louder such that we can hear it while...
  15. J

    Gap between internal door and door stop

    The gap is 10mm, I can probably cut something down on the table saw
  16. J

    Gap between internal door and door stop

    After having the living room plastered I added some timber strips (4mm thick) to make the frame flush with the new plaster As a consequence I also fitted the hinges 4mm further away from the stopper; the door was already not touching the stop all the way around so now there is about a 10mm gap...
  17. J

    Copying a door using a router?

    Probably just 2-3mm
  18. J

    Copying a door using a router?

    I am replacing an internal door with a different style one and also changing from LH to RH The frame is slightly out of square and the existing door was adapted by someone else and fits the frame ok Can I use the old door as a template over the new door and use a router ‘copy’ bit?
  19. J

    Rigid cables pushing downlighs down

    They are Led and can be covered by insulation as they are; they have lever connections so I would have to crimp some ferrules at the end of the flex
  20. J

    Rigid cables pushing downlighs down

    I have installed Aurora downlights and I find the springs are not strong enough to push it completely flat agains the ceiling I have insulation in the cavity and I used 1mm2 rigid twin and earth cable; it looks like it’s the cable that is pushing the downlight down Would it be acceptable to...
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