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About puntloos

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  1. But what about the mutated flying elephants? As I understand it we need to aim for 2.5-5% incline, and yes, was planning to have that coating too. I'll see if I can get away with an openable skylight for access but perhaps it's overkill
  2. A decent idea. No I don't really intend to clean them myself if it requires any sort of skill to not die. :)
  3. Just out of curiosity, of course a rope and hook shouldn't *just* be able to hold say 150kg (assuming our average builder isn't that obese) but also the strain of such a 150kg load falling straight down for say 1m first - short drop and then a sudden stop, as a matter of speaking How do you spec this out? What is the actual requirement on such loops and ropes? Do you have any tips (URL?) for what type of harness and rope would be needed?
  4. I was thinking that, yes. But is that OK for the english regulators?
  5. What about flying elephants. Sure, they are a myth today but they are one nuclear accident and a bit more climate change away! Seriously though, can someone answer my question: Can a normal, but somewhat specialized cleaner or roof team reach my flat roof from the outside? Or asking it somewhat differently: If someone *has* to get to the roof, how much will this cost each time? Do we need a huge crane and trample all our flowers, or can some strategic ladders get you there? (as a layman, I can easily see that on a 8.5m tall box shape, you can just get a 10m ladder. But since the top of my roof is sloped, a ladder can get you only to that tipping point, no?)
  6. Ha, yes, that was the main purpose of the smaller rooflight! But then people pointed out you need a secure fixing point. And then inspect it yearly. And.. My *preference* I think still is to have that secure fixing point anyway but the hassle with building regs team feels daunting, and my architect says I'd need a specialist to design it to be strong enough etc.
  7. Seriously though - without roof-access from inside the house, will a normal-ish trade be able to get to the roof and clean, inspect occasionally without having to rent helicopters or an army of drones?
  8. Will that be more than @saveasteading's 8000 GBP?
  9. Interesting point. Currently it is indeed a 2x2m opening. I didn't really think of practicalities, 8000 is a lot of money but it is quite a feature Yup. It currently looks like this: With (of course?) built-in shutters so we can block light and heat if we need to. I suppose one alternative is something like this (pic found on the internet) But are lanterns *truly* self cleaning and you have to never worry about them? Surely some inspections, at least the upstand, need to happen?
  10. The main thing I can't work out is if the main skylight above a void can be cleaned without any 'easy' roof access. Are you saying a specialist can access my skylight 'reasonably easy' perhaps by standing on the flat garden room roof (top right corner)? Of course I understand it will cost more but that's fine, within reason, to do once or twice a year...
  11. I'm looking at this from a super pragmatic point of view, which is that I certainly prefer not to go through the hassle of provisioning a fixing point especially because the cleaner might not trust it anyway. But I'm still not 100% clear under what circumstances I HAVE to provide an anchor point. Which detail would push me from "don't have to" to "have to"? Crucial set of steps/questions: - Do my skylights need cleaning at all? They are flat, horizontal, I can perhaps apply self-cleaning coating Perhaps I can still angle them slightly? Would that suffice? I imagine I'd still have to clean, at least once a year. - If there is no way to access the roof, can cleaners still get to the two skylights anyway? My garden room has a flat roof, but might not look too kindly on having people (and pointy ladder legs) stand on it. From the ground, the ridge height is 8.2m but given that it's a crown roof it's a little harder than if the house were a box It's okay if it is hard-ish and I'd have to pay a premium to the cleaner because of the difficult access but I don't want a situation where they are flat out refusing - If none of my roof windows open far enough to let a human through, it's fine to leave out the fixing point?
  12. I'd be inclined to agree this is not great.. but if I understand @pdf27correctly, the reqs require a house to have some type of fixing point? For context, this is my roof: The big skylight is over void, won't be really openable (perhaps to let some heat out but no more). The small one would - theoretically - be usable to get to the roof if one were so inclined. So do you think that the skylights are 'safely cleanable' without providing any roof access? Nah, I gave up on that idea without making it a *proper* terrace which I don't think is worth it. (plus not allowed anyway, I don't think) I assume your question is rhethorical but I'd trust the affixed-to-the-roof one more - assuming it's well-built of course, I have no idea how to make a roof solid enough to be able to withstand such a pulling action....
  13. Ah, but the 'snag' then is that the roof itself needs to be able to catch a 100kg weight bouncing off the roof (if I read this site correctly). Can normal roofs hold that from one anchor point? Or would the SE need to design that special?
  14. Hi pdf27, do you know what's required for such a "secure fixing point"? Do you have any example design or something for me to look at?