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  1. J

    Wiring in a 2 gang dimmer

    Thanks for the info, is there a reason why it is currently wired to the existing dimmer the way it is with the red to the L2 and the wires with tape on them going into the Coms and the bridge wire going from L2 one side into the L1 on the other side.
  2. J

    Wiring in a 2 gang dimmer

    Hi I have just purchased a replacement 2 gang dimmer but having removed the old dimmer the wiring does not relate to any info I can find online or in the install guide. The dimmer controls 2 separate lights in the lounge. There are currently 3 cables and an earth. On the left side a blue...
  3. J

    combi boiler pressure rising

    I have done a search on here and have a part answer to my problem but looking for further advice. A few weeks ago I drained the system to replace a few lockshields, no problems there system refilled and no leaks. Then last weekend I noticed that whilst the boiler was running the CH the pressure...
  4. J

    Foil Insulation for underside of flat roof

    Thanks for that...is it worth the effort of buying/ fitting 50mm of mineral wool for beteen the rafters..my rafters are max 200mm deep with a 50mm air gap above the foil (man guidelines)and 50mm of mineral and then 100mm gap above mineral to ply it gives a total of 200mm, so 50mm is max i can...
  5. J

    Foil Insulation for underside of flat roof

    Hi Guys, looking for some advice I have a cold roof constructed flat roofed dormer that I need to insulate after ripping down the existing ceiling and finding no insulation present. There is so much choice of insulation available and then there is concern around vapour control. I have...
  6. J

    Changing a radiator with an 8mm feed

    Hi Guys In the kitchen we have 1 double 400x600 convector radiator that does not sufficiently heat up our 20 x 12 kitchen. So I have gone out and bought a 400x1800 designer type that gives off approx 400watts more heat. The convector radiators flow and return are 8mm copper pipe that go up...
  7. J

    Ideal running pressure of Combi CH system

    We have ferroli modena combi system which the manual says should have a pressure of 1 bar whilst off. This is ok and the system keeps this pressure for months, so no leaks etc. However when the system is up and running the pressure barely moves, maybe it will reach 1.5 bar but no more than...
  8. J

    Airbrick into cavity

    Thanks for the advice guys, I will start off by closing off 4 of the upper 7 airbricks to see if it makes any difference. Any ideas as to the best way to close them off without actually replacing with a solid brick. I was thinking masonry filler or silicone sealant.......
  9. J

    Airbrick into cavity

    I will leave the lower airbricks, 5 in total (1 at the front, 3 on the side and 1 at the rear) alone, I am more concerned with the 7 upper airbricks (3 at the front, 2 on the side and 2 at the rear of the property) what purpose are these serving except making the upstairs cold, do the upstairs...
  10. J

    Airbrick into cavity

    Looking for a bit of advice, this will probably cover a number of different forums but feel the building forum most appropriate. We live in a fairly large extended 4 bed semi detached property which has a total of 12 airbricks which go into the cavity and not into the rooms. Now this time of...
  11. J

    Radiators red hot but give off little heat

    Right I am going to clean the system and then re balance. So here I need some guidance please. My combi boiler and filling loop are located in the attic, my furthest rad from the boiler on the ground floor has a drain point, here is my plan, does it sound ok. I will use X400 instead of...
  12. J

    Radiators red hot but give off little heat

    Thanks for all the advice, I will have a go at balancing the system tomorrow, some of the radiators are hot all over whilst others cooler on the bottom. So maybe now is a good time to get it cleaned or flushed I think the correct term. How long does a good flush take and how much is a typical...
  13. J

    Radiators red hot but give off little heat

    Since we had the room stat fitted the boiler stat is on maximum - Approx 85 - 90 degrees A few are very hot in the middle and top, but get cooler towards the bottom, the others are hot all over I have bled them all this winter, could there be sludge or other crap? How best to tackle this if...
  14. J

    Single skinned cloakroom

    Thanks for the quick reply, over a few beers last night I discussed my predicament with a local plasterer who explained something similar to yourself, he is coming to have a look on Monday. Cheers
  15. J

    Radiators red hot but give off little heat

    I am not an expert on central heating systems so looking for some advice as to what to do next. I bought a property approx 2 years ago with a 4 year old combi boiler fitted in the attic, the boiler works well heating all 12 radiators in the property with no problem at all, I think the boiler is...
  16. J

    Single skinned cloakroom

    Hi all, We have a downstairs cloakroom (Extension) off the kitchen which is single skinned brick, tiled on the inside with a rendered exterior. This time of year it gets really cold in there and now the rest of the property has had cavity wall insulation installed I am noticing condensation...
  17. J

    Condensation behind cavity air brick

    All Last year we got cavity wall insulation (bonded bead) installed. No problems at first, but now on the inside of the bedroom wall (external wall) top corner I have started to notice condensation gathering. I have read up on condensation and now open our trickle vents and dry 80% less of...
  18. J

    Condensation in loft space since cavity wall insulation

    Guys I had cavity wall insulation (bonded bead) fitted October 2007, within a month of the install my boarded attic space was filled with polystyrene insulation which had blown out of the cavity into the loft space. Thought nothing more of it, cleaned it up and left it. Having not spent...
  19. J

    Heavy textured external paint

    I have been painting a textured wall coating on the exterior of my property but certain areas have been damaged. I was wondering if there is a paint on the market that is heavily textured that could be applied to cover up the damaged wall coating. I have been to my local DIY centre and all...
  20. J

    Water proof or normal PVA to seal / secure outside wall

    Well thanks for that. PVA a NO NO then.
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