MikeGrahamT21

Depends how much ££ you have to spend too, and what level of performance you are trying to achieve. For my upcoming build which has a 100mm cavity, i'm using full fill Xtratherm CT/PIR boards, which are specifically designed to fully fill a 100mm cavity. Kingspan now also do a 90mm Kooltherm board, which gives about the same performance, but requires joints taping, and costs a lot more. Both of these solutions will give around 0.16U using Celcon type blocks on the inner skin, which is almost passive house target for the walls (0.15U)

Spot on @Russell griffiths every 6m

Whenever i've had any Gas or Electric work done, and its been registered with the relevant authorities, it gets sent automatically to building control. But yes, you won't get completion cert without them.

? £25 for a good finish is worth it surely? Theres some more on ebay, cheapest is £22.80

How about this: https://www.ebay.co.uk/itm/HANSGROHE-Fixfit-S-Wall-Outlet-27453000/143313828432 Looks like its a brass (or some type of metal) fitting with a plastic cover, and a non-return valve.

Main question really, is the porch part of the original house? Do all the houses have them on your estate? If yes, i'd say you can safely assume that it was part of the original build and can be included in the original width.

I've not got air conditioning at the moment, so just aware that they have a control for it. It would work on the room temperature, but yes pretty sure it'll be like a normal thermostat in reverse, and only turn the AC on when required. Ive got one main stat (as this does all the main work, and opentherm calculations for the boiler), and then individual radiator thermostats on each radiator to create a zone for each room. That tied in with a manifold creates a very flexible efficient heating system. I was going to go with EvoHome at the begining, but it didn't have a crucial feature for me, multi-user geo fencing, not sure if they've added it yet, it could be done with EvoHome but relied on several apps to achieve it, whereas Tado has the functionality natively, as do a few others now, but Tado was the first one.

Tado is a good system for central heating controls, I have it and its always been spot on, they also have an air conditioning control too.

I'm not sure how well that would work. They are really cheap to buy: https://www.toolstation.com/bostik-fibres-for-concrete/p69060

Put some polypropelene fibres in your cement mix too to stop any cracking if you are pouring your own mix

The external blinds for roof windows make a massive difference, i've got them on all of my south facing ones. Quite cheap really too.

Personally I can't see a problem with this, as long as the water pipe is properly insulated as it should be in any trench, and pea gravel I think this should be fine.

I'm not so sure they all have anti-bacterial and anti-static coatings on the pipe, don't quote me on that tho

If money is no object, yes thick porcelain tiles are the answer to the billionaire look to park your ferrari and lambo on! ?

You can always use the primer if you are concerned about adhesion, guaranteed to stick then!

Mu Value for OSB3 is said to be around 500 compared with between 50 and 100 for moisture resistant chipboard, so I would say its pretty much vapour tight anyway

I read an article suggesting that standard OSB3 wasn't actually airtight, might have been in passive house plus, they put a section on a wall, taped it, and then put a membrane over the top to ensure only air passing through the OSB3 was registered, and they found it to be poor for airtightness. Personally I can't see how it isn't airtight, as there is so much resin in the mix, but clearly this example showed it wasn't. Also see this: http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=9361

Bad news if you had any gas appliances, one worth noting for anyone really that

And 3/4 of a screw! lol

I will also likely have to tackle this same problem, a neighbour over the road has a wood burner, and when we have easterly winds, the smoke comes over, which also tends to coincide with the coolest temperatures, so almost a guarantee in winter months. I have asked several MVHR suppliers, and all have said carbon filters, but none could guarantee they would work, and they can be quite expensive. There are cheaper versions online, high flow for hydroponics setups, so I may end up DIYing something out of one of these. This is what i was originally looking into: https://www.ebay.co.uk/itm/Carbo-Air-50-Systemair-High-Quality-Carbon-Filters-Odour-Control-Hydroponics/152463760843?hash=item237f8c5dcb:m:my_06Dq0-ZHmaU_bAypD_Qg Would just need an airtight box building round it, with a pipe going to the outside for the intake.

Is that the quiet vent kit? I'm considering buying that, would love to know what you think about it. Seems to be a hell of a lot cheaper than all of the other manufacturers.

Are you wanting to move this wall to a different location? If so, you'll need to consult a structural engineer to see how far you can move it, as the area for supporting the timber will likely sit in a particular zone in the middle.

Just make sure it isn't freely accessible by any random person, can guarantee some idiot will come and turn it on and run off, running up a huge bill.

Happy to do it for you if you let me know your final wall make up, type of materials and measurements.

I got it off eBay, the guy has got another if anyone is looking for one. its a vortice hr200 unit