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Roger440

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Everything posted by Roger440

  1. Roger440
    I found the only way to get rid of potholes in my road plannings permanently was to do it in the rain! Or at least the whacking part. Tended to drag the fines and a bit of mud/clay up and bind it all together. But as per saveasteading, properly clean out the hole first. Legend has it soaking in diesel also works but ive not tried that, and probably shouldnt.
  2. Roger440
    Are you able to share that wheeze with us. That a very short payback. One i would consider.
  3. Roger440
    Im inclined to think this is the most likely version of events, with its obvious effect in pricing. I dont need another expensive hobby.
  4. Roger440
    And as more people use them, the price will go up. I guess there will always be some variability based on time, so in that regard, not entirely gambling, but certainly not sensible to base your battery investment on 7.5p per kWh. For example. If you use a sensible number, payback extends to far.
  5. Roger440
    This ^^^^^ Basing significant capital investment on TOU tarrifs is more akin to gambling.
  6. Roger440
    Good work. Dont think i would try it.
  7. Roger440
    Thanks. When i did it, a good while ago, building control dealt with it. Maybe things have changed.
  8. Roger440
    Indeed there are. Which is why when you suggested it, i took an interest, as, in my expeience its rare that it can fly financially. Do keep us posted if you go down that route.
  9. Roger440
    Not really. Concrete work on that scale means a team of people and equipment. Thats not what id call DIY, though perfectly acceptable if you want to pay. DIY concrete has many pitfalls for the unwary, and re-work is rather harder than with timber frame. I can do most things, but id not tackle ICF on a DIY basis.
  10. Roger440
    Sorry, thought you were referring to my most recent post.
  11. Roger440
    Where it is in every cold roof? On the top. This is what the internet says is a cold roof. And what i currently have. Like this
  12. Roger440
    So my only option and hope for the best on ventilation flow (below) Or 200mm composite steel panels. AI calculates i can just about do it on the span. Needs a real SE to check though. this isnt helping the OP though.
  13. Roger440
    My structural deck is IN the insulation. So i cant see its a cold roof. Acedemic though. Still cant see why an internal VCL wont work. Thats what they are for. Cold roof. As you observe, far from ideal. Not going to have much ventilation space either once i have adequate insulation. Will need at least 200mm PIR given the joists in there. The roof is attached to a wall on 2 sides, (walls in L shape) protected from the prevailing wind. So ventilation might not even work. What does everyone else do i wonder?
  14. Roger440
    Though ive abandoned my self build aspirations, i spent a lot of time pondering. If you are actually going to do it yourself, masonary or timber frame. That was my conclusion. Does knocking down and rebuilding make economic sense? Id do it tommorow if i could, but the "non-building costs" and planning issues kill it completely.
  15. Roger440
    How can you do ICF yourself. Not going to do the concrete!
  16. Roger440
    Depends if the land is valuable. Id build a bungalow tommorow if i could. But my land is near worthless........... Oh, and one day we will be old and infirm
  17. Roger440
    What is SAB?
  18. Roger440
    Hmmm. But its not a cold roof is it? Given the depth constraints, i cant achieve the required u value with either cold or conventional warm roof. Although cold roof is moot as i cant get cross ventilation. And whats there now, albeit with no insulation at all. I reckon i can deal with most of your points except settlement. Timber shrinkage can be mitigated with gapotape or similar. Im not going to let your average builder loose on it. Im quite capable of a high standard of detailing. As you observe, the problem is moisture getting through. Surely then, the solution is not to let it through. What to do? Ive got 300mm. Thats it.
  19. Roger440
    Did that. Made no difference whatsoever. Added a vcl internally as well. Still no change. If moisture cant get in, how can it degrade?
  20. Roger440
    Yes, of course. That would be felt, grp or epdm etc. Just playing with ideas at this stage,
  21. Roger440
    Yes, i know i need a vapour barrier. But surely, between the plaster board and first layer of PIR. Yes, clearly if there are gaps etc, that would be an issue. As id be building it myself, i can make sure thats not the case. Problem is, ive got circa 300mm and need to use 200mm (ish) joists.
  22. Roger440
    At the risk of hijack................. I know this is percived wisdom, but ive only got 300m total height to worrk with so a conventional warm roof wont work. I put my proposed design into ubakus.de and it says all is well. What am i missing?
  23. Roger440
    At the topof the wall i presume you mran?
  24. Roger440
    Thanks. That makes sense. So, as i suspected there still needs to be a mechanical fan somewhere. Interesting though. Until i see where i get to with air tightness, cant really make any decisions.
  25. Roger440
    Thanks. All the blurb i can fins suggests there needs to be a fan somewhere, you a PIV for them to work. But it seems they are a mystery product, theres just no info beyond the basic website description. Im attracted to the concept as, essentially theres nothing to go wrong, and doesnt use any power. Which seems too good to be true. And we all know what that normally means!
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