joists | Page 4

joists

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  1. M

    Re-using holes in joists...

    The regs on where you can and cant drill holes in joists are quite clear, but what about if rewiring for a material change of use where new regs must apply? Would it be okay to rewire through holes which no longer comply? The holes in question are closer than 0.25 of the span to the wall.....but...
  2. P

    Angle drills for joists

    Guys, does anyone know if any company does a drill that drills at a angle ie when trying to drill through joists under a floor the drill hits another joist and if you try to drill in the middle of the joist it will come out lower on the other side.your thoughts
  3. K

    Chipboard flooring..........

    A mate and I have recently been to a house that required some pretty straight forward wiring, but it involved accessing the downstairs ceiling via the upstairs floor. The problem occurred when the carpet was rolled back to expose chipboard flooring composed of huge sheets that actually went...
  4. Amp David

    Running lighting circuits in the loft space.

    When running lighting cables in the loft space, they can be clipped to the side of the joists no problem. When the cable then needs to be run at right angles to the joists, is it best pratice to drill the joists to pass the cable through or run over the top of them. Cheers for the advice guys.
  5. G

    Drilling Flat Roof Joists

    Are we allowed to do this ? If yes is it the same hole size/distances as floor joists ? I normally use the safe zones, but this isn't possible as its like an all glass byfold door type extension. I'm thinking I can as surely floor joists have just as much weight on them, thought I'd see what...
  6. A

    what drill bit?

    what drill bits do you guys use for making holes through floor joists? eg flat, auger, forstner etc Also has anyone used a '3d' or multi angle drill bit (MAD), they look like they can do a variety of things such as making holes in joists?
  7. R

    Drilling joists

    http://www.wycombe.gov.uk/uploads/documents/Environment/Planning/LocationofNotchesandHolesinJoistsA04.pdf Take a look at above PDF what do they mean by the depth of the joist, the diagram seems to indicate the thickness ??
  8. 8

    Help!!!! My tt system mains question!

    Hi all, having major problems with the mains on a TT system. Customer requested new position for CU and to get supply moved by electricity supplier. Now customer won't pay for it after getting a quote from them. The new CU position is approx 6 mtrs away from meter and i'm wondering what the...
  9. L

    Best method to find joists ?

    Ok, so you have a customer who's ceilings are boarded using foil backed plasterboard which effectively screws a lot of the electronic detectors and they DO NOT want loads of holes made in it so that 'it looks like a second-hand dart board'. What's the best way of locating the joists so they can...

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