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  1. M

    Replacement Solid Floor Insulation Options

    Aerogel is supposed to offer better performance than celotex or similar, so can be used thinner. However, A) it's incredibly expensive B)not sure it's suitable for floors C)there is some scepticism as to how much better it actually is
  2. M

    Cracked clay gully replacement. A few questions

    I'd have a trap, just to prevent smells. I reckon you will have to cut that after the socket, but you may be lucky
  3. M

    House internal breeze block vertical crack, will helical bars help?

    Personally, that meets my definition of a big crack, and I'd seek professional advice. For me a big crack is one you can get your fingers into
  4. M

    Drainage cap

    these take some concerted effort to shift. Even more so if they've been out in the elements I imagine
  5. M

    Can Planning Authority revoke 'sign off' where applicant undertakes 'further development' specifically excluded from the permit

    If something is not built in line with the drawings submitted to the planning dept, they can very much take action after the fact. See Tom Moore's daughter falling foul of that in the press a few months ago.
  6. M

    I tried thinning dulux bathroom paint to seal new plaster, but it hasnt soaked in what should i do instead?

    I'm pretty sure you shouldn't use bathroom paint for mist coat, you should use "normal" emulsion, then overcoat with bathroom paint
  7. M

    Mixed size block paving

    Ah, ok. That maybe more challenging
  8. M

    Mixed size block paving

    I literally googled mixed size block paving, and this was the 2nd link..... https://www.bartonfields.co.uk/block-paving/courtyard-tumbled-50mm-2-size-block-paving-in-graphite-blend-pack-8-35m2/
  9. M

    Leveling 110mm circular section of concrete (after it's set) for light fixing.

    I agree with above, but you could use shims or washers under the base, then seal the gap with silicone as an alternative (unless they are really off level)
  10. M

    Roof leak

    I think that's gonna cost more than £800 to put right
  11. M

    How to skim over foam core tile backer board

    It would, as it doesn't absorb any water
  12. M

    How to skim over foam core tile backer board

    Might be worth asking in the plastering forum, but I would dilute PVA then skim over. Given the texture I think you'd get pretty good adhesion
  13. M

    Help with diagnosing leak

    I got a flexible fibre optic camera for £20 from Amazon to diagnose a toilet leak. I'd recommend you get one and have a look! You can even connect them to a battery pack and drop them down pipes on string, as they work on wifi
  14. M

    1930's foundation depth

    I'd be surprised if you had foundations 750mm down, but ground levels may have changed, and builders back then did what they thought was best, so there is a lot of variation! I've seen 8 courses underground a 1920s terrace, and further down the street 3 courses then earth!
  15. M

    Help with diagnosing leak

    I would turn all of your extractors on, then put your hand over and see if you can feel any air flow. If you can't, it suggests it's not connected to your extractor, but maybe your neighbours? Warm steamy air from a bathroom can hold a lot of moisture, so that's been building up for a while...
  16. M

    Crusher run instead of MOT Type 1

    For a domestic patio, crusher run is fine. If you're building a new motorway bypass, it is not
  17. M

    Bathroom extension with three cold walls

    Yeah, only 40mm, but 40mm is better than 0mm, and I can still fit my bath in
  18. M

    Bathroom extension with three cold walls

    I just fitted 40mm thick insulated tile board to a northwest corner bathroom in a 1930s house that suffered from bad condensation and mould. That, along with a decent inline extractor and a larger towel rail sized used a btu calculator, has meant out new bathroom is now the warmest room in the...
  19. M

    What cable to extend a Tesla mobile charger?

    Ah, but John. 1 in 27^16 is a big number, but infinity is more than 10^100^100 times bigger o_O
  20. M

    Core drilling for a 40mm pipe and tile removal - Titan SDS thoughts?

    It's not too heavy for it to stop you using it. Stripping tiles will take a couple of hours. All it means is that you will feel it the next day.
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