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Hi, need to get 2 story exetension plastered, so reasonable size job; looking for any recommendations in Bridgwater (near Taunton). Long shot I know but not wanting to end up with a cowboy! Thanks Ants

Yes its an external wall so going straight outside. Yes it is an ELV extractor unit, approved for zone 1 use, and yes I am doing all the electrics in the extention under BC notification, they have an approved contractor come in and sign off my first and second fixes which includes the...

Hi, Now adding a shower into what was going to be a just downstairs cloakroom, but ceiling is already up using regular, not water resistant, plasterboard. As studding is all now in underneath, it would be a major PITA to rip it down and replace it as none of the new edges would be on...

But doesn't a stud / plasterboard wall only have a skim coat, not a basecoat, in which case surley 15mm is way to much for the doorframe to pretrude beyond the wall? Thanks, Anthony

Hi, Just fitting internal doorframes etc in fitting out new extension. What depth of plaster should I allow for, is it approx 3mm for a skim over plasterboard and about 10mm for basecoast+skim on brick/blockwork? Thanks, Ants

Great thanks!

Hi, Just installing an ELV (12v) extractor fan in zone 1 area of a bathroom (yes fan is zone 1 rated), and was planning on putting the transformer outside the bathroom. Can I use regular blue / brown cable for the ELV side also, or does it need to be a different colour to differentiate it...

Hi, Building a new bathroom (extension), inc shower. Need to fit the shower mixer bar such as this onto partition wall (presuming thats better than knocking into blockwork wall?). Am I right in thinking that I need to install something like one of these as part of first fix...

Great, thanks for claryfing the difference! :-) Ants

Cable is passing thru middle of joists and not sitting on floor / ceiling etc, just in mid air between joists, is it still ok?

the wiki states that it can run anywhere if buried 50mm below wall surface which it is at teh centre of the studwork.

Great, looks like it will be ok as in the middle of the the studwork its just a fraction over 50mm inside from the outer surface of the wall. Thanks! Ants

Hi, Sorry for another question but; I know you can only run cables to and from a fitting, or within a close distance ot the edge of a wall under the plaster on a block wall, but what about within a stud wall? I need to run cables up thru a stud wall that do not go to a fitting in the wall, do...

Hi, As I understand the regulations, horizontal cables should be clipped at least every 250mm, so what about when they are run thru a series of joists at 400mm centres? I dont recall ever seeing any additional support for cables in floors, so is it within the regs that the cables are only...

Hi, Just fitting some internal door linings and doors, all going well unitl I went to fix the thin battons into the lining onto which the door shuts against (hope that makes sense!). How much gap do I leave between the face of the door and the stop? Both the door face and the frame will be...

looks like it will be better all round to just run new 3 core as you suggest then, fortunatley I have some spare slots in the consumer unit, its split load so I guess it would make snese to put in ont a small breaker on the non tripping side? Thanks Ants

Hi, I wasn't going to use 3 core cable runing between each detector, but rather pick up power from the local light fitting near each detector and run a small single wire for the interconnect signal between all 3 detectors; is that not permitted? If so what colours can the interconnect be? I...

Many thanks for your considered reply, I appreciate it; the flooring is 22mm T&G chipboard, and joists are indeed 400mm centres. The joists are 215mm deep, so there should be plenty of room for cables and pipes under any noggins. Given the above shall I just get some 2x4 for the floor? It...

Hi, thanks for reply, however I suspect that I didnt explain my question very clearly, sorry :-( I am OK with building the actual studwork of the wall, what I am unsure of is what size timber to put between the joists below the floor and above the ceiling in the rafters to fix the head and...

Hi, Putting partition walls into new extension, which has doubled up joists in place to take the majority of them. However one has an alcove in it so departs the joist at right angles for a few feet then turns to carry on but not over any joists. Obviously I undersdand that I need to put...