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store my impact driver like this. have a guess where my only Torx driver bit is now? Right. 8 feet below my platform IN SIDE the scaffold pole- Poo

@Sensus that is a very comprehensive and informative piece of information, this is the kind of knowledge we need on this forum, I see no reason why you will regret it, it is what you have discovered through your job and as you said no two situations are the same, but a trend with more insulation being demanded nowadays. ? one of the reasons I love this forum is information given is from people’s experience in the real world not sales hype.

If you are not experienced it is high risk to design your own temporary works. You will need some working room around the basement retaining wall. I have used open augered concrete piles with a bit or rebar in this situation before and king pile steel with sleepers for the less crucial bits.

A few years ago, i was site manager on a couple of new builds of about 4000sq ft each for a client. It was something i had never done before, but asked to do it for a client. Basically, i made sure that everybody followed the drawings as best they could, and when there was an issue, gave them a quick response to enable work to continue. We had a local council building control officer, a giy from NHBC, and the clients own engineer, who was way worse than the other Two put together x 10. Both houses were built to be as airtight as they could be, and because i knew i would have to have a test at the end, i was super careful to follow the engineers drawings and detailed drawing as best i could. I can remember, that the houses were as airtight as possible, but they basically had a ventilated, cold, pitched roof on the top. The guy who did my airtests, said i was lucky, because i had made the houses almost too airtight, and that if his result had been any lower, it would have been a problem, and we would have had to introduce some ventilation to the houses. Sorry, i do ramble. 12 months later complaints had been recieved by each of the property owners that staining, and water was coming through the upstairs ceilings. I went to the houses with a couple of others, NHBC, developers engineer, roofing contractor, and me. When we went into the loft none of us could believe the amount of actual water, not just condensation, that was in the loft, sitting on the ceilings below. There were no water services or any mechanical stuff in the loft, and the roof was checked out by the roofer from outside, and inside (We got both properties scaffolded) The roof was 100% sound, and the roof ventilation was all as specked and in place, and not blocked. The NHBC guy, who i kept in touch with, told me that they were seeing the problem more, and more, on new build houses ! I think it eventually got solved bt adding in a considerable additional amount of ventilation in the room, and some sort of positive pressure fan attempted to continually push the damp air out of the loft. It seemed like a right bodge to me, but defo made me think about ventilation. Not that did me any good, as i dont have the brains of some on here.

There is a pattern developing where you selectively but carefully quote or gesticulate at any one, or other, particular individual in your replies and responses. It has been noticed, noted, and recorded hence your temporary exclusion, already given. If you wish to publicly (out)cry then it is fair to publicly respond from a moderator point of view. So I will. This forum is the result of a lot of hard work and time ( and money ) investment from a core of members who make up the FMG, and we will, absolutely, decide whom is to reside here and for whom their stay has out grown its welcome. You sir are on the very thinnest of ice. Choose a reason to remain, whilst your agenda is discussed elsewhere. I do not appreciate, or like, your tone. It won’t be tolerated much longer I assure you. Residing here is a privilege, not an assumption. Regards, mod team.

Done just this today. Agreed. Good call @PeterW & damn timely too: builder came storming round today: & I had whole thing out with him. AM I called the TFrame Co & had a go, not happy with the collar position (1ft lower than plan) as I was just not getting clarity from builder, so I'll go to horses mouth for an answer. PM builder storms round "just had TFCo on phone! you calling saying not happy with roof?!! WTFF" etc. Sh*te (no good reason from TFrame Co other than builder said to/ he built groundwork etc). So, I told builder *I do not have clarity on the 1ft depth the WHOLE build is down, so I'll call them if I feel like it. Him fuming/ me resolute. He gives me "wind resistance" tech spiel reason (I smell BS) & when I ask for proof, he says 'end of build you'll get docs showing so'. Let's see. Then he demands what I want/ whilst threatening to walk off job. I stay resolute & like a boss tell him straight, concisely, I want xyz. He's agreed to supplying the floor & 50mm insulation in place of 100mm insulation. I agreed to pay bill given a week + ago. He's calmer. I say the estimate for drain (£445) and skim off drive 100mm to help the ground offset (£400) I'm not happy with.. he says figs were only to show cost to him/ not for me (odd.. but erm ok) & he'd do these 'tidying up jobs' all along foc he said. He did so I apologised, thanked him. I asked for PeterW's block idea, I even used 'splay' to impress him.. he agreed (much better mood now). We agreed him to do upstairs ceiling pB & insulation (including the knock thru 'tunnel' area) @ quoted £500.. & lastly the block retaining interior wall/ concrete behind it to cover exposed founds area @ £125. So a win for me, we we're laughing at the end/ back on good terms nattering away friendly as always. A result, a relief & all tied up, bar the intractible Q as to why the collars (& whole shebang) 1ft down. I don't think I'll ever get a satisfactory answer to this: if I get wind spiel docs proving him correct.. I'll eat my hat naked on the site. Thanks for your help/ patience chaps.. zoot.

If that’s what you need just make them. 150mm eps make a hot knife and cut it out. Should be easy with your German background. Oh oh hold on I think I’ve seen you with a saw. All joking aside, that looks very straightforward to do. You could make them off site somewhere warm and dry and bring to site. I think you will find some insulation co will cut to desired shape. You could even just use two different thicknesses and glue together.

keep them warm

will do when its in place - been distracted by tiling at the minute. Just hang in there for a wee while

Not saying it is, I have quotes from two structural engineers one with one potential solution, one with another.

Try posting here, you might have more luck https://www.facebook.com/groups/104378576603439

Yep that's right. Im planning to use a passive type hatch with class 4 airtightness. U value is not too bad at 0.50 and I was thinking to install a PIR plug that would sit in the top to boost the insulation

Don't all shout at me. There is another way, Live in your caravan/ mobile home on site. If/when you get a neighbour reporting you to the council, you might eventually get a guy wearing a woolly tie come to visit you (planning enforcement) Tell him very little, and don't let him on site. Tell him that you neither confirm, or deny that you are living on site. Then tell him to bugger off. If the neighbours continue to moan about you living on site the woolly tie geezer, might pop back after a month or so. Tell him to bugger off again. You might then get an enforcement notice. It will normally give you a couple of months to clear off site and take your caravan with you. Wait untill the two months is almost up, and then put in for an appeal against the enforcement notice. That will take about another 10 months or so, and when you lose the appeal the council will write to you several times over a period of a few months, and eventually they will write to tell you that they will take direct action to remove and bill you for the cost. During the passage of time, you will be finished your house to the point where you will have got sick of living in your caravan, and will be living in your house. Either get rid of the mobile, or write and advised the woolly tie fella that you are not living in your caravan, and that it will be staying parked on your land till your next holiday...... Bye bye council.

@Patrick your post is one of the most helpful that I have seen. It reinforces well understood research into learning styles. It would be brilliant if we could have someone whose job it was simply to search video resources to help those for whom a video, or an illustration helps more than a screed of text. It pains me to read that you are somehow to blame for not understanding written text. Let me be clear: you are not to blame. I spent many years teaching teachers (serving and trainee) to recognise that not everyone learns the same way. It was an uphill job sometimes.

An additional advantage of a warm roof (vs cold loft) is that it's much easier to make the insulation and airtightness layers continuous at the wall/roof junction.

Roz. If you were going to do it with soffit board you could prob get it in the same colour that you were going to paint your exposed rafter feet. Ie; if you were going to paint them black, then get black plastic 9mm soffit board to save you having to paint it to match.

Just a handsaw will cut that for you no prob.

I guess its a different consideration for the volume house builder who is trying to squeeze every penny out of the build cost to maximise the profit and the self builder who had a different set of motivations. Warm roof insulation, airtightness detail and MVHR are not standard volume house build elements and if they're not contributing towards creating a habitable space that can be marketed and be reflected in the house price (like a usable room in roof, which then implies windows, stairs, meets regs etc) then little reason to do it - unless there is downstream cost of cold roof construction such as a penalty or fine on the house builder.

Warm roof?

OK. I thought I hold back on this topic since loads on here are more clever then me. But maybe some readers here have a similar problem with the long explanations, just like me. I always find a short YouTube video much more easy to understand than a 1/2 page written on the same topic. And sometimes I feel right stupid on here for not understanding a word, but then... Maybe some others are the same, so this might help understanding the ventilation issue :

A bit of bedtime reading for anyone interested: THE RCD HANDBOOK - GUIDE TO THE SELECTION AND APPLICATION OF RESIDUAL CURRENT DEVICES.pdf

That's the thing Joe90. Conversation makes you think. I would prefer to hear from anybody on here about real world "these screws, are great, always use em) When you go around any of the home build etc shows. Most of the people on the stands talk total Boll208s. Just telling you that they have the best product ever. A friend on another forum, some time ago had a big prob on his build. His engineer proposed a £30k get around. He put his problem to the forum, and one of the guys gave him an alternative. He put it to his engineer, who said yeah, you can do it like that. The fix cost £8k and the forum saved him £22k

@Sensus, good explanation, thanks. But something to be clear about: when you write “cold roof” do you really mean “cold loft”? The way I've seen these terms used before: Warm roof: roof where (more than half of) the insulation is above the roof structure (rafters, etc). Intrinsically a warm loft. Cold roof: where the roof structure is on the cold side of (more than half of) the insulation. Warm loft: where the insulation is in the roof (might be either a cold or a warm roof). Cold loft: where the insulation is directly above the ceiling. Intrinsically a cold roof though I doubt anybody would bother to call it that.

My new build super (posh shed) is even going to have a warm roof Joe90

I too came across more loft condensation issues before I retired and I am really glad my new build has a warm roof.

Folks can we keep to the topic @Roz started, please?

When was it installed? i.e. what version of the regs was in force when it was installed? If it is not obliged to have an rcd I would not change it. Mine is protected by an rcd and it has never tripped yet.

It would be helpful to anyone reading this thread if @Sensusyou were able to take the time to explain the rationale behind your thinking. Without it, your post is pretty worthless I'm afraid. It'll @Roz a lot if you could find the time to eloborate I'm sure.

SWMBO used to periodically paint the gas box at our old place with good old black gloss paint. Bedec Barn Paint is supposed to be good on plastic. Think it has some mild etching properties.

Ive seen them painted too think it's most sensible option

I built a standard gabled end 2 storey in 2012 with eaves vents front and back but without dry or vented ridge. Loft had condensation. Loft suffered a bit of condensation so I put 3 tile vents in at high level and it cured it. Obviously I'm not suggesting this would work in every case but my layman's brain did assume more vents was always better. How depressing that houses seem to be getting far too technical with one problem solved creates another. Shame there isn't any quick dirty rules of thumb but guessing it's all location specific. Stick around @Sensus. I've never understood why this forum can't have a lounge like others where topics can be discussed. I thought the whole point of not advertising was nobody to upset what was discussed here. Those threads getting closed down the other day fair enough had no self build in them but felt a bit like Gestapo shutting them down.

Can depend on inverter, RTFM on that one. Not had any experience of that. Was it wired and then a test certificate issues?

I agree wholeheartedly. Asynchronous written communication, when drafted in haste, can all too easily lead to misunderstanding. I agree wholeheartedly. Mods make mistakes too. I agree entirely. The Internet is associated with speed of communication, and the gift economy. But writing effective, well thought through posts is not easy. Well written posts are not drafted in haste. Add the stressed and stressing nature of our sector, mix in a few hundred thousand pounds and you have all the ingredients necessary for miscommunication. @Sensus I would much prefer you not to leave us.

This thread is a tad mystifying. I don’t know what I’m missing but it’s content doesn’t seem to inform why a representative of the FMG and mod team should choose to publicly slap down an established forum member in this manner. I don’t actually know Sensus, but I’ve been at the wrong end of his responses and found their tone superior and intolerant, so it surprises me to find myself coming to his defence. However, an obnoxous tone doesn’t invalidate the information provided alongside.....and I do consider sensus as credible a source of information as any on the forum. Should that information fall short of comprehensive but act as a prompt to dig further, then fine by me. Was Nickfromwales speaking with Buildhubs voice???

I'll PM you a couple when I get 5 mins

Another for Leadmate

+1 fir lead sealant.

I have always used lead sealant, i think that it will have a degree of flexibility that mortar will never have. I've never had a problem.

Ours is just on the IKEA adjustable feet. No issues, with the huge weight, it'll never move

Well I had my impact driver in my car and it must of been facing drill bit upwards . Went to Tesco’s bought shopping , stuffed it in my car . Got home and realised the drill bit had gone straight into 6 pints of milk in plastic container. Not a good day ?

Don’t talk to me about stairs! Our architect made a right pigs ear of the position of the staircase, nobody noticed, staircase company came out to measure up, still didn’t notice, we had a temporary staircase in for me getting upstairs and used all the time by the builders, still no one noticed, 3 months later when the staircase company decided to get to design they suddenly noticed we didn’t have enough headroom, we’d paid over £5k to the kit company for the staircase but when this problem was finally noticed the staircase company wanted another £5k+ to produce one which would comply, by this time we were in the closing stages of the build and didn’t have that kind of money left to spend on something we thought we’d already paid for! Architect wouldn’t admit liability and pay for the amended staircase, we tried everything to come up with a solution to come within an acceptable budget and ended up with a straight flight a quarter of the way into the room. How I now regret that decision, it’s a bloody eyesore and has changed the use of the room altogether, I should have a large room with a dining table in the middle not too near the stove, instead I don’t know what to do with it, had another architect out who said he’d never seen one as bad, he measured up the headroom in its current position and was still not certain it would comply so suggested I get bc out for a look, the problem is that I agreed to having it where it is and the architect (after threatening him with solicitors) eventually paid £1100 for the extra handrail and glass. I was hoping that bc would come out and say it wasn’t right in which case I could have gone back to the original architect and claimed him for putting it right however when the officer came out he looked at it and I told him we still didn’t think it was compliant, he had no tape measure and when I offered to get him one he mumbled something about it not being as simple as that and in his opinion it was fine and he would pass it, he said it had nothing to do with him that it looks ridiculous but it was safe as far as he was concerned! had it not been an oak staircase it would have been tossed out by now and we would have started from scratch but it’s too big a loss to do this as we certainly couldn’t replace it with the correct one made in oak, how many times I have kicked myself for agreeing to have it where it is and I know we are going to eventually have to do something with it!

Patrick, i'm going to watch that later. But i see that in the first 30 seconds, he said the words, Science, and Physics. I am going to have to stock up on chrisps, choc, and fizzy pop for later berore i tackle it.

Was that one of the 3 or 4 topics that got locked in a day. So can I discuss the upcoming Grand Tour? Or is that going way too far. @Onoff I have never had an official reprimand. I shall start to behaviour even more badly now.

Aluminium tape it is then. It'll drive me nuts if it creases! ?