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Renegade105

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  1. @happyfolk Hi, ok so the 417 with 100mm vane and a hood is NOT the best at getting reliable readings, far too much error. You need a powered flow hood. Might look the same but totally different. You can hire it if you wish (BSRIA) to do the balancing yourself. Finally, I can’t see where the supply vent is…is it a linear vent which has been plastered in that recess in the ceiling? Can you get access to the cutwork, perhaps there is a mass flow damper upstream of the vent that you could take flow readings with using a manometer. Good luck
  2. Hi dude, Not sure if its too late to ask but why add a screed over the top of the slab? You could tie the UFH pipes into the Slab directly, just ask Tanners and they will sort it? Or it is a very large footprint/area, in which case lie would be a lot easier doing it your way to get a level floor.
  3. My Engineer only specified Rebar over the openings for our ICF build in England too.
  4. That’s really tidy. what bolts are those? Did you screw them down into set concrete ?
  5. Hi, so planning on Spray Foam open cell, then an air tight membrane underside of truss and down onto internal ICF Leaf…tricky to detail as the rafters will be there every 600mm. Hoping spray foam will help here. thanks,
  6. Hi, on an ICF build, wall plate needs to be set on top of the ICF core, was thinking of using a mixture of 1) acoustic flex sealant, 2) airtight foam, 2) mechanical fixings to clamp it all down. what’s you’re recommendation here? will have attic truss and slate tile with spray foam insulation
  7. Hi, on an ICF build, wall plate needs to be set on top of the ICF core, was thinking of using a mixture of 1) acoustic flex sealant, 2) airtight foam, 2) mechanical fixings to clamp it all down. what’s you’re recommendation here? will have attic truss and slate tile with spray foam insulation
  8. Hi, part of our house has a flat roof…and as you can see timbers have already been placed. I think roof build up is: Timber 18mm Marine Ply Membrane 120mm insulation 18mm OSB3 GRP how do I connect this on top of the ICF and keep AirTight? help is appreciated, or examples. I can’t be. The first
  9. Hi all, question regarding services running through the EPS foam…what did you do to ensure fire safety? I have a 6” HVAC duct for example running through but I am wondering how to seal it to ensure I still have fire resistance. Also will have a vent on the outside of the wall connected to the duct any tips is much appreciated.
  10. Hi Guys, Got any recommended companies/installers? In Buckinghamshire area.
  11. Hi @Iceverge, Its for a pitched roof. Building regs say we need to get to a max U-value of 0.16, so that's what I'm aiming for and not the 0.11.
  12. hi @Gone West, That's very impressive. What's it like being in the attic space then, I assume its habitable...Does it overheat a lot or is it better than the usual PIR stuff. I like the sound of the Wood Fibre Insulation but trying to get that lot air-tight would be near enough impossible with my roof.
  13. Wow really? What do you think is the reason? What U value did you build to and was it open or closed? What’s you’re roof build up like? cheers
  14. Hi, can I ask how often do you get round to changing you’re pre-filters as tbh air flow should not allow dust to settle on the land blades especially due to the vortices on the tips, they are pretty huge and dust wouldn’t have time to settle. what’s your pre-filter rating? who commissioned the unit, I wonder what your intake air flow is at the external vent and maybe there is a leak somewhere? how are your airflows at the supply vents in your home? sorry….loads of questions and haven’t actually answered your question.
  15. Hi, Roof Truss's aren't in yet but will be soon. Spray foam onto a tight vapour barrier would be the easiest option of speed and air tightness, but this whole time I thought it wasn't BBA approved! Turns out I was wrong. Cant see anything wrong with it...its fast, should get good airtightness, negatives are possible toxins (unlikely) and cold bridging via the actual trusses, and unclear what the heat decrement delay is. Apart from that, seems like a whole lot faster than cutting wood fibre boards etc.
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