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Dave Jones

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Everything posted by Dave Jones

  1. Dave Jones
    3.5kwh is a good start, really need at least 10kwh of storage to be able to take advantage of time shifting electricity tariffs. 3.5kwh storage cost £857 per KW/h tesla powerwall at 13.5 KW/h capacity is much cheaper at £488 per KW/h I looked at all the options in 2018 and Tesla couldn't be beaten on price/kwh, really needs a simple alternative that batteries can just be added to cheaply.
  2. Dave Jones
    bit disingenuous. You are leaving out the tanks, pipework and room to store it all for a heat pump. Realistically no one will supply and fit an ASHP, tanks, pipes etc for £2300. More like £10k. None of which is necessary with a combi.
  3. Dave Jones
    looking at it from the banks point of view, you could ask for a 100k drawdown and have done no work so it has to be checked. You can argue it if the bank has other security of yours to sell should you default.
  4. Dave Jones
    yep they are a rip off.
  5. Dave Jones
    seen timber frame builds sole plates packed up with window packers. Timber isnt dimensionally stable like brick and block.
  6. Dave Jones
    think some are confused on what a bank QS does. He is there purely to verify the progess of the build against the pre-agreed costed plan. You wont get paid for packs of bricks, timber etc that is not built in. He wont be there to project manage, run the build or offer advice. Legally he works for the bank and the bank pays him via you.
  7. Dave Jones
    how much additional value will it put on the house once done ? You may be on a fools errand.
  8. Dave Jones
    try your home insurance, its storm damage ?
  9. Dave Jones
    100% its a bodged warm roof. If wind can lift it moisture certainly will be getting in.
  10. Dave Jones
    tarmac requires planning unless you use the expensive stuff that water drains through. Block paving looks great and you wont get weeds if installed correctly. More importantly you can do it at your own pace.
  11. Dave Jones
    this. You will need an SE to design your foundation, have a test borehole done then ringbeam. Budget £40k for it. Unless you are doing all the trades yourself i think you are very light on build cost, cheap is £1500 m2 with the expensive foundation you will be £200k min.
  12. Dave Jones
    What sort of filtration is possible with these systems, I see some of our AC units at work have built in UV scrubbers. Is this possible with MVHR ?
  13. Dave Jones
    can you take the glass unit out of a window to pass it through ?
  14. Dave Jones
    essentially what you are trying to achieve with the alutrix is to seal the inside of the house from the roof makeup which is why you want it lapping down the walls on the inside. I cant see how you can do this putting it outside as you cant lap it down all the inside walls. With regard to the rooflights, insulate the upstands and bring the alutrix up the inside of them and lap it over the lip the light will sit on. If you get any air movement into the insulation from inside the house you are going to end up ripping it all out as it will rot 100% as once the moisture is in the makeup it cant get out.
  15. Dave Jones
    It needs to go under the insulation as a dewpoint will form inside the insulation and this is where the mould will come. You are sealing it from the house so nothing can get into the insulation as it cannot breath. You will have a mouldy roof unless you do the VCL properly. Sorry not good news. Here is a good vid explaining it, he has many examples of what you currently have full of mould.
  16. Dave Jones
    the alutrix needs to be under the insulation though and sealed to the walls inside the house. No punching holes through it for downlighters etc!!! It's bloody good stuff and will waterproof the roof on its own for something like 6 weeks.
  17. Dave Jones
    looks like your missing a vapour barrier as it should have been brought up around the skylight upstands (they need to be insulated as well) ?
  18. Dave Jones
    unless its gong to be walked on you dont need the top OSB, EDPM will glue to glass fibre backed insulation no problem. What make of vapour seal are you using ?
  19. Dave Jones
    inroof does future proof any future roof issues as well. Personally would not use the cheap adhesive flashing and use lead instead.
  20. Dave Jones
    convert to a bbq ?
  21. Dave Jones
    https://scpbuildingproducts.co.uk/products/leaf-trap-for-downpipes
  22. Dave Jones
    the bank normally recommends a QS, dont expect to get much change from £1000 per visit.
  23. Dave Jones
    minimum 13 tonner. depending on the rock, it may be quicker to drill and charge it with non-explosive splitting charges to speed the pecker along. https://www.sms-wales.com/nxburst-faq.htm
  24. Dave Jones
    all those jetted baths ive come across are stinking bacteria ridden pits, they need constant and very thorough cleaning. Almost as bad as hot tubs. think carefully.,
  25. Dave Jones
    hope you left a good 5 foot of trunk above ground to make getting the strumps out a breeze with the digger.
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