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jamiehamy last won the day on January 24 2018
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www.theoldwatertank.blogspot.co.uk
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Gourock
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We have the 410 in our current build and have two large units joined using same detail, works well, no fuss. The strip can be trimmed at the top with a multi cutter btw.
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Is the roof SIP? If so, the moisture could be coming from there is it hadn't been stored right at any point. It's not unheard of. You do need a bone dry substrate for EPDM, I wouldn't be happy with a single day, but in April/May we do get nice long dry spells - if you get clear skies for 3 days that should dry the surfaces you need to bond to.
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Flat Roof insulation and airtightness detailing
jamiehamy replied to knobblycats's topic in Flat Roofs
Your alternative looks nice - but don't underestimate the depth of the top chord of your posi joist - it'll be 100mm or more, so quite a gap. You can either chop up spare insulation and foam it in, or cut out slots in your internal/external insulation and 'slot' in the joiats and foam with airtight foam, wit the top flush to the top of the joist - and foam as you put on the board.- 1 reply
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Bio-ethanol Ventless Fireplace In a Passivhaus ?
jamiehamy replied to Nic's topic in Stoves, Fires & Fireplaces
We've actually got 4 in the house! We've had them for years and love them - when we had a power outage for 3 days, we only needed to run one (2x3kWh output) and the house temperature was just fine. They are a luxury and we only use them when we feel like, but they do provide a decent heat output and nice atmosphere. We get fuel from here at the moment https://ekofuel.org/shop.html. I've just bought 48 litres. -
No and no are the short two answers to the questions posed. Internorm won't say any different to JK, the whole unit will be compromised if you start trying to make changes to it, so they'll never entertain it. You could try any number if things but you're wasting your time, they'll never work well or properly.
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The weight of the boards will have certainly contributed, along with the weight of a person moving about up there and whatever you have being stored. If the joists were not designed for an additional dead weight and active weight (or whatever the technical terms are!), then deflection will certainly occur (which it would regardless), and this will cause cracking at joints. If they were designed to be (in effect) habitable, or to have weight bearing, then this is a problem, but if not, then I'd recommend against storing anything else and contemplate taking everything out before you redo the joints.
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Detailing Wall-plate for 10° Monopitch....
jamiehamy replied to Mulberry View's topic in Insulated Concrete Formwork (ICF)
Well said! -
Detailing Wall-plate for 10° Monopitch....
jamiehamy replied to Mulberry View's topic in Insulated Concrete Formwork (ICF)
Preference is after. The gables are the tricky bit and trying to get concrete to go off but not too much whilst having it all plumb/straight at the same time and then get a wall plate and j bolts on was stressful. Doing the wall plate post pour was arguably more work (drilling )but was easier to do, and easier to do right. -
Detailing Wall-plate for 10° Monopitch....
jamiehamy replied to Mulberry View's topic in Insulated Concrete Formwork (ICF)
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Detailing Wall-plate for 10° Monopitch....
jamiehamy replied to Mulberry View's topic in Insulated Concrete Formwork (ICF)
We did something similar. The first time, we laid the wallplate on the poured concrete, this time we simply got the level and them secured the wallplate using resin bolts. As you can wee, we'd left enough ICF to be trimmed down flush to the top of the joists, then when the OSB went on, we used air tight foam, as well as between the joists and the ICF. -
Nudura window reveals with timber cladding
jamiehamy replied to Andrewb's topic in Insulated Concrete Formwork (ICF)
It's an interesting proposal. It's labour intensive and will be a messy PITA, but certainly do-able. My first thought is that you will have a 10mm gap between the Nudura and the frame, and so you will only lose a further 10mm of the window frame - is that such a problem? How will you secure the reveal timber to the metal bracket? It is going to be a self tapper through the timber into the bracket? Might look a bit messy? You could simply adhere the reveal timber to the cladding and use small pins to provide a bit more support, using something like CT1? For cutting EPS/XPS, I found out of a saw, hot wire cutter and a multi cutter, the multi cutter was by far the easiest and best finish. -
Best Water-resistant Shuttering Board?
jamiehamy replied to Mulberry View's topic in General Self Build & DIY Discussion
That's the stuff. It's pretty 'belt and braces' tho, so I'm assuming you're going to use for things like lintels and jambs? I used it on both for our ICF build - we had a huge lintel for the garage door (4.7m) and it was shuttered with 18mm - and remained in situe until we fitted the door two years later and it was still useable for rough stuff. How are you planning propping your lintels, esp the big ones? I would be having 4 or 5 vertical 6x2s in there at least or acro props - it's some weight of concrete up there when it's not set, and you don't get a chance to 'sort' it once you spot it sagging! Assuming you're going to put a lot more bracing up before pour? -
Best Water-resistant Shuttering Board?
jamiehamy replied to Mulberry View's topic in General Self Build & DIY Discussion
it'll be absolutely fine. 18mm WBP ply, will last a LONG time as I know from our shuttering, we ended up reusing it many times for other things after. -
Electrical first fix in an ICF house
jamiehamy replied to Meabh's topic in Insulated Concrete Formwork (ICF)
We ran Cat 5 (oir was it 6?) cables to most rooms on the first house - that was a complete waste of time, we've never used them. Most modern laptops don't have the ports any more and you're tied to one place. We have 3 Wifi extenders in the house and that fulfils all needs. Scrap the Cat. Wasted time and effort. So to answer your question directly - why bother having a WiFi router connected to a Cat 6 cable when you can use your electrical circuits to create a great WiFi network which will have Zero extra cost. -
Holiday let house in top of garage - idea
jamiehamy replied to jamiehamy's topic in General Self Build & DIY Discussion
Bizarrely came across this topic just now...so we went ahead and finishing the exterior for winter then fit out for next year ..