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  1. 8

    RFI from LED flood

    50W LED flood from LED Hut https://www.ledhut.co.uk/led-garden-outdoor-lights/flood-lights/50-watt-slimline-led-flood-light-180-watt-replacement.html Usually their stuff is very good, but this produces awful RFI on three different FM radios. Has to be an LED unit as it's under the gable of a...
  2. 8

    Smoking fireplace

    I got a HETAS certificate from the bodger who installed my stove. Huh. More to the point, does it work? Ivor
  3. 8

    Barometric damper

    Sorry :oops: This was supposed to be a reply, here: http://www.diynot.com/forums/viewtopic.php?p=3120854#3120854 But thankyou for your answer. However, I think only Amazon US. Not surprising, perhaps, as the Americans have been enthusiastic stove users much longer than us, but I'm amazed...
  4. 8

    Smoking fireplace

    Oops... went and posted this as a new topic... Reading more of this excellent exposition, I come to page 12 - Barometric Damper. This is exactly what I need for the stove in one of our rooms, which has waaay too much draft when it's windy. Where can I get one? I only see them listed...
  5. 8

    Barometric damper

    Reading more of this excellent exposition, I come to page 12 - Barometric Damper. This is exactly what I need for the stove in one of our rooms, which has waaay too much draft when it's windy. Where can I get one? I only see them listed in the US ?? OK, I can get it from the US, but...
  6. 8

    Smoking fireplace

    Jolly good. Page 8 ... Yet More Thermal Influences... this is the problem we had, except that it was caused not because of different heights, but simply because one flue was less efficient that the three others pulling against it. Sometime the fire would light, sometimes it puffed smoke into...
  7. 8

    Smoking fireplace

    That was kind of you. Perhaps an insulated liner, with an insulator (not vermiculite as it soaks up water) poured in after lining? Lots of bodgers in the building trade, alas. It seems to me that only a mug employs a tradesman to do a job without having already learned how it should be...
  8. 8

    Smoking fireplace

    Hmmm. Are there other open chimneys in the house? Ivor
  9. 8

    Smoking fireplace

    That's good. One of the chimneys in our previous house had draw problems when cold. This was exacerbated by the fact that there were three other open chimneys in the house, all of which drew better, so in effect they were pulling air down the weak chimney, even though there were open air...
  10. 8

    Bricks pulling off dwarf wall - timber frame

    Just went and looked, and nothing wrong with your eyes. The architect didn't specify any particular grade. I ordered 'treated structural' or some such phrase, and that's what arrived. Some of the unfixed timber has indeed twisted so it's only good for noggins. Well, C24, that's something...
  11. 8

    Bricks pulling off dwarf wall - timber frame

    Thanks. The pointing in the third pic is messy because I wanted that part to look 'old'. The overall effect is supposed to be Old Barn. We notched the sole plate to get a better fixing for the uprights than just skew nailing. The walls are 9" with a block inner skin and wall ties, we used...
  12. 8

    Loose Brickwork

    Ahhh, you could be right. Ivor
  13. 8

    Loose Brickwork

    Hard to see from your little photo, but I guess there were no wall ties put in between the arch and the brick infill, the bricks are not keyed into to the arch, the lintel has dropped a little, the mortar bond between the bricks and the arch has failed. Defective workmanship or design, quite...
  14. 8

    Loose Brickwork

    Your link is no good without a logon. How old is the house? Ivor
  15. 8

    Smoking fireplace

    Sounds as if the flue is blocked. Your description of the way the smoke backs up suggests more than just lack of draw. Maybe a muck-up when it was built, or perhaps disgruntled builders deliberately blocked it, who knows, stuff happens. Or something as simple as a bird's nest. If you have...
  16. 8

    Bricks pulling off dwarf wall - timber frame

    So, here's the start of the timber frame of our double garage, graded 4x2s on a 9x2 sole plate, fixed to a brick & Bradstone & block wall with 130 x 8mm coach screws in 12mm plugs. Treated timber, was quite fresh when the frames were made up. Fixed about 3/4 days ago, by packing it up, with...
  17. 8

    Help needed to design energy efficient solution

    The switch was a double-pole which swapped the live feed from one stat to the other. For convenience, the switch was in the kitchen but could be anywhere. We had a standard indirect cylinder with sprayed foam insulation, we just cut two pockets in the insulation for the stats. Whether it's...
  18. 8

    What's this?

    Thankyou. Now I know what I'm looking for. Oddly enough though, 15 mins Googling and I'm not seeing any attached to a flue insert. Only separate versions, like the sort of collar that's put on a dog to stop it scratching itself. Any idea who might sell them? Ivor
  19. 8

    What's this?

    Woodburner installed by a HETAS installer. Yes, the flue goes all the way down. The top 2ft or so inside the chimney is solid, the rest of it is twinwall stainless flexible. Yes, I suppose I could get a larger diameter stainless skirt made to sit under the existing skirt, but it's another...
  20. 8

    Help needed to design energy efficient solution

    If you check your summer/winter gas usage, you may deduce that despite having a well insulated cylinder, a significant portion of your bill goes on water heating. We saved a good amount by having two stats on our cylinder; one about a third the way from the top, the other a third up from the...
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