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concrete

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  1. M

    Mounting on Fibre cement roof with concrete purlins??

    Any know of a solution for mounting panels on a fibre cement roof that has concrete beams/purlins underneath? The bolts that hold the roof down have a hook which hooks to the bottom of the concrete purlin to keep the sheets in place, but with the weight of the panels I'm guessing the only way to...
  2. rich.250

    Cables in concrete floor.

    Just been to look at a job, to rewire a kitchen, wiring to centre island. Only thing is it is on a 1st floor with concrete floor. Just wanted opinions on complying with regulations as to cables in floors. Would the usual 50mm from floor or earthed armouring or containment apply? Others have...
  3. V

    Ground floor flat rewire - concrete ceiling and floor

    Just been asked to rewire a ground floor flat which has concrete floors and ceilings. It's wired in singles in metal conduit which is used as the CPC. Fortunately the owner is happy with the location of existing sockets and switches but wants a few sockets added and storage heaters changed for...
  4. S

    Fixing panels to a barn with a concrete fibre roof.

    Hi Guy’s We have a contract to fix 50kW of panels to a barn roof. Having problems finding a suitable fixing/ racking systems to use without having to build lots of support under the roof. Eaves to ridge is approximately 14meters with 9 Z shaped steel purlins spaced equidistant between eaves...
  5. W

    Concrete Slate

    Hi Last job before the cut off and its concrete slate, what a pig!! Any suggestions as to the best method of attaching and weatherproofing the brackets. And the best brackets to use. Many thanks
  6. B

    SWA Sub main in concrete floor?

    Is there any special requirements for running a 16mm swa sub main in a concrete floor?What i mean is on the floor prior to laying the concrete Any info would be appreciated
  7. D

    swa to outbuilding

    hi guys. got a job to quote for for for an outbuilding. in the past been lucky enough to get an swa cable under the ground, but this time theres not much chance of that. as its for only a couple of sockets my easiest and cheapest route would be to fuse down a spur from the ring inside the...
  8. L

    correct way to install on roof with concrete tiles

    Curious for some advice - assuming I select an installer that I'm comfortable with what should I be looking for with how they plan to mount the panels to the roof? The house is about 20 years old with a roof built from trusses on 400mm centres using concrete tiles. I'm not sure what the...
  9. RogertheBodger

    Earthing Concrete?

    Hi All. Can I have some opinions please on the value of using Re-bar cages in a house foundation as Earth connections for a TT system, when encased in concrete do they make a good connection to earth, or not so good?
  10. J

    Add extractor fan to bathroom lights with concrete ceiling?

    A customer wants a fan added in their bathroom, not normally a problem, but I haven't done one before on a concrete ceiling, the existing wiring is in metal conduit by the way. Ive suggested mini trunking from the light fitting to isolator then fan which he's not keen on & I'm not confident...
  11. S

    Fixing brackets for Concrete tiles

    Can anyone recommend a suitable PV mounting bracket for large flat concrete tiles. PS first time on here so any help would be great. Thanks
  12. M

    So you're faced with a re-wire and the ground floor is a concrete one...

    ...what would you do? I am faced with this for my own place and as the time gets closer to when I will be carrying this out, I am fishing for ideas. My initial thoughts were to channel out the floor and chase up the walls to the socket points, lay steel conduit in it and wire in singles. Once...
  13. S

    concrete ceilings

    Hello all, a couple of my customers live in apartments with formed concrete ceilings - original wiring is embedded in the concrete. I've not had to add any lights to these properties but was asked about it and it got me wondering how best to go about it. Assuming the customer won't want...
  14. M

    Shuco mount on thin concrete tiles

    Hi I'm looking into installing a PV system onto a roof with those small, close fitting concrete tiles a bit like a rosemary roof. Using a schuco mounting bracket, the tiles are lifted slightly and don't sit comfortably as the knee of the bracket is very slightly too high and there's nothing...
  15. J

    Advise for an outside socket

    Hi all, We had a cable ran down to the bottom of our garden for when we were going to get a garage but we decided against it. I was looking to get an outside socket fitted down there for hoovering the car etc.. the only problem is there isn't anywhere really to mount it. Currently the cable...
  16. S

    Cable run under concrete slab using flexicon

    Hi, In a domestic new wire; before the concrete floor slab has been laid down; i am proposing to run the cabling for the ring mains. I have been advised to use flexicon steel flexible conduit for mechanical protection and im using 2.5 T+E. Question: A) Do i run the conduits and...
  17. O

    Floor sockets in concrete :(

    hey chaps, today I had to replace a floor socket and knockout box. It seems its been ran in steel conduit and joined to the original KO box using a male bush. Then concrete has been poured all round the box etc. Obviously this is excellent for me to remove and replace so had a right pig of a...
  18. D

    chasing concrete walls

    hi, does anyone know if there is any building regulation to do with chasing concrete walls? about to do complete re-wire of my house and there will obviously be alot of chasing to do. never had to do it before so not too sure what the deal is with it. and besides if its to solid i'll...
  19. G

    Concrete channelling

    Pricing up a job soon whereby I need to provide cooker supply to a kitchen "island". The floor, sadly, is solid concrete and will have floor tiles over the top. Not sure about the distance involved but I wanted to ask if anyone else had done something similar. I'm thinking channel out the...
  20. D

    SDS Drill

    Hi there!! My SDS drill is on the way out. Thought it was time to upgrade to something a little better. Mainly use it for fixing holes and anything bigger I would just crack out the tried and trusted 110V. I liked the look of the Panasonic SDS-Plus Rotary Hammer Drill Driver 14.4v IP...

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