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  1. Late to the party as always, but im all ears! Mechanical relays and timers. No electronics. Ace. Good as this thread is, its lost me a little on the electronics side. Have you expanded on this anywhere on the forum? Building opposite at work has a massive solar array thats never been connected. And isnt going to be. Im hoping they take it as part of the works they are doing. That aside, its occured to me i have a forklift. It has batteries. Is this another money saving opportunity?
  2. I did most of mine with a needle gun. Air powered, so quite light. A trelawney one. Had it years, great piece of kit and can just get away with a 1.5hp portable compressor. Damaged the surface of the bricks a bit, but the prying the plaster off was doing the same as they were very soft. As it was being replastered, not really a problem
  3. No one seems to care about litium leaking into the environment. Id go so far as to say its going to be an environmental disaster many years from now. All the batteries from phones, laptops and other consumer electrical stuff just goes straight to landfill. Eventually thats going to end up in the ground and our water.
  4. When you say "solid" do you mean no cabity, just a single wall? In which case, proceed with caustion as its likely to have no DPC, so your airtightness may create a host of other problems. My main issue with them is noise. Some will say its not a lot of noise, minimal in some cases. But its noise all the same. Plus of course, and discussed here before, all the other buggers in the village with log burners filling up the valley with smoke. Which would then get pulled in!
  5. Im with you 100% Knowing what i know now, id never fit a treatment plant over a septic tank given a free choice. Ive got a vortex. Which we fitted. The reality is it needs maintenance, uses electricity and makes noise. They all will to some extent. Septic tank is passive. Just sits there. Can you not fix the baffle, and renew the drainage field?
  6. The early signs od damp would definitely concern. me. Its pretty much the only reason the salets would be coming through. Id take a guess and say the wall itself will be damp were you to check.
  7. I have used limestone tiles. Pointed up with lime mortar. Without time on your sude i would view the limecrete as a "safer" option. Concrete might be ok, but might not be. Limecrete will give you the best chance. It is more expensive though.
  8. The real problem is that the timber rots. But you cant see that until its too late. If i was buying a house with that done to a conventional roof, id by budgeting for a new one.
  9. Hmmm. Bit of a contradiction? Worked fine, but have salts and discolouration. My conclusion i think would be different from yours on the fine bit.
  10. I think you need to establish whats going on with the walls as well before making decisions. As ive posted before, i started with the issue of wet walls, properly wet, enough to rot the socket back boxes. House (well front part) is mid 1800's, no DPC, brick. humidity usually around 90% There were issues. The 2 obvious ones were high external ground level on the gable end, and an uncapped chimney. They were easily fixed. Externally, below the render, it was pointed in cement. Removed and redone with lime. Externally things improved. Following a visit by the river, was the push i needed to strip of the gypsum plaster. Having done that, again the wall dried but it remained damp above the floor. Floor was concrete on a plastic dpm. After some months and things improving no further, i decided time for a lime floor. So up it came. The effect was, frankly more pronounced that i could have hoped for. In the end i had no floor for a few months. Dried out completely. The walls and the soil. Ended up like a dust bowl! So why am i rambling on? Because, for me, it was obvious that the concrete slab was the issue that was driving the moisture to the walls. Which couldnt lose the moisture effectively. As you say, lots of conflicting info. Im working on what i see with my own eyes. The lime floor, on foamed glass, has been down since early Jan. No issues to date. Humidity spiked when the floor went in but now down to 50% No signs of damp in the walls. Granted its maybe a bit early to be 100% confident. But im reasonably confident. The real issue with making the decision is that to really understand whats going on means living with it for a while. For me that was no issue, but that doesnt work for most. Plus every case will be different. Some will get away with a concrete floor. Some wont. In my case it was pretty clear. But, why would you take the risk of concrete, other than cost? One advantage of the glass/lime was less excavation next to walls with bugger all foundation as the glass is also doing job of the sub base. Total depth from top of floor to soil, 225mm. Of course, if the house was damp even "as built" then of course rectifying later inappropiate materials isnt going to fix it anyway! No easy answers! Unless you are really keen and retrofit a dpc to the walls. Though thats probably only sensible if its brick with straight course. Old building walls id guess is stone?
  11. There have been a couple or three very recent threads on exactly this. Id recommend you read them.
  12. Wood fibre lime plaster straight onto the brickwork Though i will caveat that by saying, the decision was ultimately driven by the fact that flooding is a risk. So things like woodfibre boards had to be ruled out as "if" it were to get wet, there might be a need for remedial works. Part of my self imposed remit was "operatin 4". Ie, withing 4 hours of the last drop of water going out the door, id be on the sofa with a cup of tea! That requires an arrangement that will be unaffected by a couple of hours of water at a depth of no more than 1 inch. It does, however, mean that heat loss through the exposed wall will always be significant. Without factoring in flooding, i would have probably use one of the direct onto the wall solutions based on my research. The challenge with all of this, is there are so many variables, and you probably wont know if you chose the wrong route until a few years later. But as mentioned earlier, i nearly bought a barn conversion that had been done with a cavity which wasnt without its problems. Though i will never know how bad they were. But it made me wary.
  13. Agreed. This forum is excellent. A lot of very knowledgeable people. Unlike myself. Your comments about moisture transmission make sense. If you were attaching it to the walls. But you are not doing that. Surely, what you are now doing, is to all intents, no different to traditional cavity construction. Where the inner leaf is usually brick or block. And on newer construction, with celotax nailed to the inner leaf. So no meaningful moisture transmission possible. Im not convinced you are gaining much with woodfibre other than extra cost? Mind you, ive not really looked at from that angle as its not a route i went down. Hopefully someone will come along and point out why im wrong?
  14. Whats the theory behind woodfibre rather than celotex etc, given that its isolated from the main building? Surely thats just more expensive? What constitutes "extreme" regarding the weather? Rain?
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