CalvinHobbes

Fair!

Sigh, I think most people hearts are in the right place it's just we all tend to do what is tried and tested, wwhat we know. The MVHR guy told me today he met a 71 year old woman who is planning a house with no heating because she was assured it would work. He said he sees her wearing a warm coat when it's twenty degrees and thinks it will be a disaster.

Thanks Declan, but would the compression thing ok? Height is 2585 (see below). I got a price for Kingspan ThermaBoard TF70 / TP10 2400 X 1200 X 75mm Sheet - 1.00 30.32 Each 30.32 ZICSFB010 Kingspan ThermaBoard TF70 / TP10 2400 X 1200 X 150mm Sheet - 1.00 55.18 Each 55.18

Right, gonna get some at these prices and with scaffold up I would be daft not to. Please tell me which, minimum 5kw and we will have a corrugated roof. Saw these, any use? https://www.ebay.co.uk/itm/375313125698?mkevt=1&mkcid=1&mkrid=710-53481-19255-0&campid=5338365712&toolid=20006&customid=EB208005756&

Thanks Declan, I have been watching you tube to understand this better. So you put the membrane down to stop it going in between any gaps (although it should be taped) and effectively tank it. So then the ufh goes down. One question, the fixings or staples? to hold the pipes in place - surely they piecer the membrane? Also architect told us "Provide Cemfloor liquid screed, depth to ensure a minimum of 25mm cover to underfloorheating pipes - to be confirmed with manufacturer (Laid in Strict Accordance to Manufacturers Specification) on 500 guage vapour barrier (all joints taped & sealed) laid over 150mm depth of PIR Kingspan, floorboard insulation made up in 2 layers with bottom layer 50mm depth & top layer 100mm depth on 150mm deep concrete floor slab" so only 25mm allowed for pipes? I doesn't sound much. Thats the height we have to play with. Also spark saying he would like to wire sockets from floor since ceilings high (less chasing etc)

OMG I finally twigged what is happening here thanks to you lot! All these near passive houses instead of putting the PIR down as directed people are putting down TLA. So everything else is undermined. Then when people complain how much the ashp is costing in electric they blame the ashp. On top of that people there are insufficient people here trained to install or service them. Solar panel and battery R&D is moving at a fierce pace so putting in either now feel crazy. (PV news new cell up to 144%) So here I am still getting told to put in an condenser burner and use TLA and put up old hat solar panels to compensate the SAP by 40%. Jesus, Mary, St Joseph and the wee donkey. Well for fecking starters there is no way TLA is goiing down. None. Nada. Oh yeah I was told too that PIR was sit because it was hard to cover all the pipes and sometimes it dropped. Is that because the builders suppliers told me builders that are using it for the floor are using ordinary PIR not the floor stuff with the better compression figures? Side query,how likely is it there will be a leak in the UFH? Are radiators not safer? Chill woman dear.

I looked at our kychen plains and think they are too fussy. Simplifying it for symmetry. so then island has dishwasher and drawes and overhang for high chairs. S9 could we have a row of 3 pan drawers the whole way on the outer wall with a kitchen sink one up from the end? Thinking of the way they do those u shaped vanity drawers.

Good point! I need to get on to sky, virgin and BT to see what they require us to do to facilitate future service through a duct by any of them. Has anyone any previous experience of this?

Excellent links, thanks. So hitting this issue ourselves. We do a lot of stir frying and I have a well used chip pan, in the past recirculaing hood have proved miserable and inadequate for our usage. Rather than undoing everything with effectively a hole in the wall, what about this? https://luxairhoods.com/Cooker-Hood-Ducting-150mm/cooker-hoods-outside-vents-grilles-external/Airtight-Ducting-System-Kits/New-ducting-Thermobox-150mm-heat-retention

Sister told me I should get the spark to put the connection for them beside the big window at the staircase. Where do you put it? It's a tall rectangle? Anything else I forgot?

I know people who have been in a new build passive house in the republic who are thinking of ripping out their ashp because of astronomical electric bills. Yes it's in likely badly but surely the house should be a decent temp without too much heat?

I just hear horror stories locally, enough training isn't here in NI . I would use heat geek if in England. So what if I had the system designed buy someone who knows what they are at and my plumber install it. He is good as a plumber but hasn't the faith in heat pumps. It could change his outlook.

Jeez Our builder (a plumber) really has a bad opinion of ashp and says climate here is too damp and to use oil. I am worried about the electric bills.Anyway I got a quote from suggesting we install a Grant Aerona³ R32 What do you think of the brand? Oh it's 10kw

Almost scared to post these but what do you think?

So comparing them it seems the same????

Baskill started putting in the windows,the builder was using some foam taday, now worried after seeing other thread it's ok. A screengrab shows Soudall. Red can. The pdf below I think is it's details... foam.pdf

Yikes,they will install them but maybe we should do something to assist? Like wash down for dust so tape sticks? Should we paint the area with something? Blimey a bit nerve wracking.

Thank you!!!!! Right PIR it is. The architect specified 150mm (50 + 100)of Kingspan K103 so I just need to find out what is the equivalent from competitors. You say it should be 200 but that may be difficult at this stage in terms of do we have a spare 50mm?

Just wondering Our plans say this " Ground Floor Construction Provide Cemfloor liquid screed, depth to ensure a minimum of 25mm cover to underfloorheating pipes - to be confirmed with manufacturer (Laid in Strict Accordance to Manufacturers Specification) on 500 guage vapour barrier (all joints taped & sealed) laid over 150mm depth of PIR Kingspan, floorboard insulation made up in 2 layers with bottom layer 50mm depth & top layer 100mm depth on 150mm deep concrete floor slab with Radon Shield (DPM) Membrane under slab laid over 50mm sand blinding on min 300mm & maximum of 600mm depth of consolidated hardcore base.... Or a screed company offered this..... For energystore TLA insulation 160m2 @ 150mm £3480 Estimated U Value 0.18 For 160m2 of cemfloor liquid screed @ 50mm £2700 I see on this many people discussing using Kingspan, price wise is there much difference? There doesn't seem to be. Everything is so bleeding expensive.

Hello, I watched a you tube saying expanding foam in the rafters was a huge no no with mortgage companies. Our mechanical ventilation guy said we should use it to help seal and make things airtight at the ends of the rafters and joists saying it would be easier and quicker than the tescon tape which he suspects will peel. I know you have to prep the surface (wash the dust off, anything else?). Oh and here is the advice for the windows. Whatcha think?

Right ok will ensure they are right. Good to know. Cheers

Yep, thanks will do. Her area will be zoned to be hot.

She has been thanks. She is in constant atrial fibrillation so we are walking a tight rope with warfarin, bisoprolol, digoxin etc. Doing well though, quite happy, she just likes it about 23 degrees lol. I haven't the heart to turn it down.

Mea culpa. I am fretting and it likely is stupid. That said, coming from the 'I haven't a clue' perspective it is terrifying. Right back to ashp. I must get that paperwork thingy off the architect that gives the heat loss calcs you all keep mentioning. Also at work and nothing much is happening so intensive building/ you tube going on with me going ah!!!!