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  1. M

    Mullion joint - are they all like this?

    OK, so what should I look for in a good window? I've come across Liniar and I kinda like the look of their energy plus windows. It seems a good idea to me to have a seal under the window so you split the air space around the base of the window. We already have warm edge spacers for a similar...
  2. M

    Mullion joint - are they all like this?

    Right so it is possible to have a Y groove then. I just have to find a fabricator that does that.
  3. M

    Mullion joint - are they all like this?

    Yep, that's what I meant. Thanks for posting a picture. Why isn't it a Y groove? The knifed (proud bit) is ugly IMO.
  4. M

    Mullion joint - are they all like this?

    Hi, My current windows are pretty old and on them, I believe, where there was a joint, the joint machine left a lump which was then trimmed by hand and finally polished up. End result is you can't see the join. On new windows it seems like the method now is to press in on the joint. So in...
  5. M

    Plastic manholes (aka access, inspection chambers)

    Hi, I need to reroute some drains doing away with a traditional manhole. Options for the new manhole are traditional 450x600 or plastic 315 diameter. Depth would ~0.5m. What's the consensus of opinion on small manholes (or more correctly access or inspection chambers). Are they ok to rod or...
  6. M

    Sun tunnel vs skylight vs window

    Interesting ideas. I'd do the boxing in and ceiling myself so not issue trying to get a tradesman to get it right. Ceiling cold spot is addresses by polycarbonate 5 wall, OK U is still 1.6 for that but I've then got air in the box, then double-glazed 1.6 window. Won't be as good as the rest...
  7. M

    Sun tunnel vs skylight vs window

    House is having MHRV so ventilation is already sorted. Anyway the issue is a roof window at the end of narrow tunnel. Either you need mirrors or a wider tunnel.
  8. M

    Sun tunnel vs skylight vs window

    I should have made clear that this is an extension with a new roof so the tunnel or window would be fitting with the roof. Assuming 600 centre trusses and 550mm wide velux there is little difference in the work in fitting in the tiles. The issue I think is the capture area. A 14in 350mm light...
  9. M

    Sun tunnel vs skylight vs window

    Does anyone have any data on how these compare? I've stairs and landing in the corner of an L shaped house. Downstairs is a glass front door, but with a porch, and upstairs a 1m x 2m (wxh) window, both in the corner. The upstairs landing is ~4.7m x 3.8m, plus a bit of corridor going off...
  10. M

    Changing wall thickness

    I forgot to add, the bricks are 150kg/m2 so say 300kg of wall. Wind pressure is at most 1kPa or 1kN/m2, ~ 2kN for the wall, or ~ 200 kgf. Gut feel is that should work but does show it needs the tie to the house. Of course I'll need proper structural calcs. Bricks would be rustic type, with...
  11. M

    Changing wall thickness

    No, it's just a free standing wall, but at 1st floor level. My current plan is to use engineering bricks with 3 holes in them. They are 100mm wide and have a hole to take a reinforcing rod. At the base, where it sits on the lower wall I'll revert to cellular block (i.e. blocks with a cavity...
  12. M

    Changing wall thickness

    Hi, Comments, suggestions? Downstairs is 100+50+100 standard cavity wall. As this goes up it becomes ceiling/flat roof on the inside leaf and cavity. Outer skin carries on up to be single leaf wall (flat roof is balcony and this is the privacy wall. It's tied to the house (somehow, this is...
  13. M

    What render?

    OK... I would have thought it a given that if you are painting a house wall you use masonry paint. Would anyone use anything else? Or maybe I dunno what you mean by plastic paint.
  14. M

    painting sandtex onto OSB?

    Did you do this? Did it last?
  15. M

    Why NOT to automate your home:

    Well to be fair, they made the same mistake in Skyfall. I mean who wouldn't connect the cell locks up to the internet/intranet and then plug a suspect laptop into the same network :-).
  16. M

    What render?

    I'll answer my own question then for the benefit of others. House is new cavity wall block work. This page, from a manufacturer of blocks, says I'm best to stick to tradition render since new one coats have had failures that are currently unexplained (so there is no fix to stop it happening...
  17. M

    Timber internal cavity leaf

    I have a think about this and is there any reason I couldn't do the rear leaf as a stud wall but with a vertical DPM (Blue plastic stuff like used for floors maybe?). I'd use treated timbers as well I reckon. So something like this: Top left is brickwork, middle is 80x80 steel post, then...
  18. M

    Timber internal cavity leaf

    First off, I am paying for drawings but I like to be in advance of the drawings so I know my options. Current drawings, simple for planning, building regs to follow, show a brick face as that's what I said. I'm now wondering how that's going to work out. I don't see what's wrong with having a...
  19. M

    Timber internal cavity leaf

    Over the top is a corner lintel (L shape). This comes with a metal post. Standard size is 80x80mm, 100mm in from outside edges (so allows for a 100mm brick front). The post does all the work I'm told.
  20. M

    Timber internal cavity leaf

    OK, it could have been clearer if I had attached a drawing :-(. Here is a rough drawing. Windows are just something I've found, not the real windows, but they show where the windows go. Outside is brickwork to match house. For a old style wall, 100+50+100, then pier is 250x250, with 50mm...
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