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Found 3 results

  1. The outer leaf for most of the house's cavity walls are going to be flemish bond. We'll cut bricks in half to make 'header' part of the bond as you'd expect. What I was wondering is whether we should widen the cavity slightly to make the laying easier. Half a standard brick is 215 / 2 = 107.5mm whereas the standard brick width is 102.5mm. The blade of the grinder will take a bit off, but it's enough work to cut bricks in half let alone cut a slither off. The cavity is to be 100mm mineral wall. Should we tweak the cavity width to say 105mm to make life easier or could that create it's own issues? I discussed it with a pair of brickies, one said no as he likes a 'tight cavity' whereas the other said yes and the compromise was to go with 102.5mm, but I wanted to see what others thought.
  2. Good morning all, I have been asked by the building control to render the wall as it has severe weather exposure. However due to the planning requirement we have to have brick finish. Any suggestions or way around this ? Many thanks
  3. Firstly hello from Cornwall, Having browsed for the last year or so both here, GBF and on the old ebuild site I have to say what a fantastic source of info such places offer. Myself and partner are about to begin our self build I'm hoping someone can help with a particular question. Our plot is unusual in that the majority of the house is at 1st floor level (onto garden) and extends outwards from the lower level spanning an access alley between the house and a retaining wall. Because of the site elevations the upper level (where external to the lower level) will be on a B&B floor (tetris most likely) which needs to meet the lower level and sit on the outer skin of blockwork. Therefore we need to build the lower GF level in block - proposal is full fill 100mm block - 200mm glass batts - 100mm block (7n) all parge coated with a foundation detail matching Denby Dale / Golcar. Whilst I don't like block it works at supporting the upper level, is DIY able and I can focus on the detailing - sites like tonyshouse etc help greatly with this. At first floor level we want to use either timber frame or SIPS and whilst we aren't looking for passive standards (the B&B effectively kills this), efficiency is high on our list. Quite simply does any one have a detail showing a well thought out join between a cavity block lower level and timber / sips upper that focuses on air tightness and continuity of insulation? In particular I'd like to build to the outer leaf line of the lower level to maximize internal space and avoid an odd external detail at the join. External finishes are render lower GF & horizontal cedar / larch cladding 1st floor. My line of thinking was to build straight off the outer leaf but 100mm blocks won't work with 172mm SIPS which makes me think a platform construction is the way forward... Whether we opt for SIPS / timber frame (quotations are currently out and the same question is being asked to suppliers) I intend to mitigate the sole plate bridging issue with a course of thermal block under the plate plus 40mm of XPS sheathing extending 250mm above and below. Hopefully this will suffice. Please excuse the very DIY attached detail, still learning sketchup! Any help much appreciated! Josh BuildHub1.pdf
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