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ProDave

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  1. ProDave
    I'm in a "use up left over material" phase at the moment. I have some left over 25mm mdpe water pipe. I am thinking it would nicely do the flow and return from the plant room to the Air Source heat pump. Any reason why not? Would it be happy with the "hot water" mode flow temp of 45 degrees? This would only be for the run from the plant room (above the garage) down through the garage, out and along the wall to the ASHP. It would only be at low pressure fed from a small header tank at the highest point of the plant room. Also thinking as it's slightly flexible, I probably won't need to bother with flexible sections of pipe which I would need if using say copper.
  2. ProDave
    I discounted a GSHP purely on the cost of the pipe and antifreeze to go in it, and decided on a much cheaper and easier option, an ASHP. And I had my own digger at the time so I could have laid the ground pipes myself.
  3. ProDave
    That reminds me of the argument my BIL had at the tip. The garden waste skip had a sign saying "1 vehicle, 1 bag" So when he dragged the 1 ton builders bag out of the back of his Landy and proceeded to empty it into the skip the guy came storming over but my BIL stood his ground insisting he did only have 1 bag of garden waste in his vehicle.
  4. ProDave
    About 6 square metres per room, less if you exclude what's under the bath and under a boxed in cupboard. So are we now saying that tanking kit direct on V5? My head is hurting keeping up with the conflicting ideas.
  5. ProDave
    If it makes any difference I have wet UFH under the floor deck. My favourite at the moment is 18mm OSB then 6mm ply, but am concerned at how to glue so it's solid.
  6. ProDave
    But the tanking membrane you linked to ear;ier, this one http://www.impeyshowers.com/waterguard says: Only 1mm thick with superior De-coupling properties of 10mm Economical and safe - no need to buy a additional decoupler If I have to fit something over the chipboard, then the aquapanel sounds a lot better, nice and solid. I just can't get it out of my head that 6mm ply is flimsy, and would only "work" in my mind if you clued it down with a 100% bed of adhesive like spreading tile adhesive over the floor to stick it 100% with no voids? Have I just been lucky with my old house, 17 years of tiles glued direct to chipboard with no issues? 18mm OSB and 6mm ply sounds the easiest but I can't get over my mind saying it has to be 100% glued or it will flex?
  7. ProDave
    I had the same, 5 supply points and 4 extracts, so I added an extract point from the plant room, thinking with the buffer tank in there it might get a bit warm.
  8. ProDave
    Both the bathroom and en-suite adjoin rooms with 22mm chipboard and then carpet. Keeping the overall thickness to close to 22mm plus tile thickness will give a near level transition. I am trying to make it as simple as possible so at the moment 22mm V5 and 6mm or 9mm ply sounds simplest, but what is such a thin bit of ply going to do? I still can't see what's wrong with the tanking membrane straight onto the 22mm V5? addinf a thin later of ply just seems to add a lot of glue and screws for no additional strength, and surely the tanking membrane is waterproof enough?
  9. ProDave
    Standard drain pipe does not have sealed joints. How many times have you seen the outlet blocked and water leaking from a joint further up? I would not want standard drain pipe inside my house under any circumstances. Perhaps convert to standard 110mm drain pipe for the inside run, at least the joints will be sealed.
  10. ProDave
    So my choices seem to be: 18mm OSB then 6mm aqua board, almost matches shower former thickness with shower former laid direct on joists (with additional supports) Or, 22mm V5 chipboard with 9mm ply laid on top. 9mm ply also laid on joists under shower former so they are both the same depth and to give additional support to the tray.
  11. ProDave
    So what's your recommendation? As Posi joists are a lot fatter than standard joists, the "gap" between joists is 500mm.
  12. ProDave
    I will have a total of 12 square metres for both rooms, a bit less of I miss out using aqua panel under the bath (that bit won't be tiled either) I take it you glue and screw it to the OSB (with a lot of screws)? Like you I'm planning to lay most of of the floor, leaving the boards that adjoin the shower tray loose to be cut to final size later.
  13. ProDave
    Sorry missread that. That's a possibility. Do you have a link to the Aquaboard you are suggesting? I googled it and it came up with Aquapanel but that's flippin expensive. Is that what you meant?
  14. ProDave
    The weather continues to be carp here as it was most of June. Wednesday the sun came out, so I sparked up the barbeque. Thursday was dry so I finally got back out on the boat, first time in over a month. Normal service resumed and it's drizzle today. At the moment it's lack of funds once more slowing me down. I had hoped to be plasterboarding now but I blew that budget with my (hopefully) bargain ASHP so that will have to wait until next month, so now I'm grubbing around trying to find worthwhile things that need doing either with very cheap materials, or using up materials I already have.
  15. ProDave
    The bottom half of the fortnightly wheelie bin is good for "stuff" and then the normal rubbish on top hides anything I only take big stuff to the tip that's too big for the bin.
  16. ProDave
    18mm T&G chipboard is no good for 600 centres, only for 400 so can't use that. Do I NEED plywood? Last house has tiles onto chipboard with no issues (slate in the hall, ceramic in the kitchen) Probably just using some form of ceramic tiles on the floor pf these rooms, a long way from that decision yet. I was assuming that whatever tanking I use would waterproof it, that is a question I was going to leave until we are ready to do it but I assume we are talking about something you paint on, rather than a sheet of something?
  17. ProDave
    I suspect it's that the SB inverters are transformerless, so any leakage on the DC side (poor installation) would directly lead to leakage on the ac side.
  18. ProDave
    Some say Sunny Boy inverters don't like an rcd. But mine has been running for 5 years on an rcd and has never tripped yet.
  19. ProDave
    Some makes of inverter trip rcd's and advise against them. You haven't mentioned what size cable feeds the studio, and how it is connected and protected in the house. That is a much more important question.
  20. ProDave
    Does anyone else remember when you could buy rolls of EPS about 1mm thick. You stuck it to your wall, then wallpapered over it to "insulate" your walls.
  21. ProDave
    Our en-suite and main bathroom will both be wet rooms. I have identified the wet room formers for the 2 shower areas, they are 22mm thick, but for reasons of budget (lack of) I am not buying them yet. I do however want to floor most of the rooms. So what 22mm thick floor boarding for a wet room, suspended on Posijoists at 600mm centres? Is it as simple as P5 chipboard, or something more exotic?
  22. ProDave
    OR didn't charge us a thing. They provided the cable free issue. There is something about all connections get a subsidy of about £3K and you only get charged if your connection would cost more than that. I had to pay BT £65 for a "new connection" but that then got refunded because of the length of time it took them to make the connection. Compared to over £1K each for water and electricity, the telecom connection was a bargain.
  23. ProDave
    So what you are saying is I can make an image and copy it under windows but I can't see what's on that copy using windows. But if I then plugged that copy into the ubuntu laptop I would then be able to see what's on it?
  24. ProDave
    I have just had a look at the memory card (and taken a backup) this is all that is on it: That didn't work very well. I will try a better listing tomorrow, have to go now.......
  25. ProDave
    Good point, I will take a backup before the unit is put into use in anger. I remember when programming my Arduino for my solar PV Immersion dump controller, the data logging I did on that deliberately wrote data to the entire memory in sequence, rather than writing to the same few bytes and "wearing them out"
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