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Hi, Just fitting mains smoke + heat detecters in residential house, which will be powered from a single lighting circuit. However I am unsure what colour wire to use for the single wire interconnect. The house has both old red/black, and the harmonsed blue/brown as it has a recent extention...

Hi, Installing first fix in new extention, and contemplating best way to run lighting cabling in loft space. The cables need to run both along the timbers and across them, the timbers are only 75mm high so will have 225mm of mineral insulation sitting on top of them (i.e. 300mm total, and its...

thanks for that, you guys are a goldmine of useful info! I enjoy doing all this and learning along the way, so thanks for taking time to help educate us all :-) Ants

thanks for all the replies, I have a bit of celotex left over from the floor so will jam that to fit in the void and then plasterboard over that. This forum is great! :D Anthony

Hi, Just fitting out an extension I had built, and will be putting in some partition walls. The building spec stated 50x100 studwork, so I ordered 50x100 CLS. Just realised they delivered timber that is actually 90x35mm; when I queried it with the suppliers they said thats normal, and that...

The builders put foam cavity fills either side and at the top, but nothing in the bottom, and the windows are all fitted now so I guess its a bit late to change it (the building inspector was happy with what they had done). So question is whats best to do now that we dont have the benifit of...

Hi, Just fitting out new extention, and wondering how best to put in window boards. Have UPVC windows in outer brickwork with no rebate / lip, and blockwork inside, so I can only affix to the blockwork with no physical support at the window edge. I read on another post to maybe use...

Hi, installing a shower, WC, and basin in a new extention and as the basin and shower are to go into the unvented soil pipe (via seperate pipes & strap on bosses) I believe I need anti syphon valves to prevent the trap being drawn when the wc is fluched etc. The basin is no problem, plenty...

Hi, Fitting out a new 2 story extension, and the building specs say roof needs a U of .16, and mentions 300mm of mineral wool. The joists are only 70mm deep, so 300mm would need some serious packing before I could put any flooring down (just for storage), and its not a very high pithch to...

Hi, thanks for the detailed reply, I hadnt thought about the vacum so will have to look into the best way of venting, I dont really want to raise the soil pipe up higher than the basin, so will look at the other methods you also suggest. I think I can get a compact boss pipe in there, and at...

Hi, Just building an extension, including a shower / WC room on the ground floor. The builder that I had in to build the shell has run a new 110mm soil pipe from the IC in under the joists and up to where the new WC pan will go. However I need to also connect the 32mm and 40mm wastes for...