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Sockets on dividing walls?

  • 18-02-2025 07:01PM
    #1
    Dinarius
    Registered Users, Registered Users 2 Posts: 3,439 ✭✭✭


    We live in a three bed semi. All our sockets are on internal walls.

    Today, our neighbours were drilling a groove on the party wall to sink socket trunking. It’s a shallow groove, but is it permitted?

    Thanks.

    D.



Comments

  • #2
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,946 ✭✭✭10-10-20


    As far as I recall its fully permitted as long as they don't go over the midway point in the wall. Hypothetically not even the screws should pass that point in the wall, but it's pedantic to be thinking about measuring the depth of screws. 😀



  • #3
    Dinarius
    Registered Users, Registered Users 2 Posts: 3,439 ✭✭✭Dinarius


    Thanks.

    Though I would have to think it would reduce soundproofing and reduce fire resistance.

    D.



  • #4
    deandean
    Registered Users, Registered Users 2 Posts: 2,345 ✭✭✭deandean


    No law against that.

    But you will hear every time something is plugged into that socket.



  • #5
    Mellor
    Registered Users, Registered Users 2 Posts: 40,386 ✭✭✭✭Mellor


    https://www.boards.ie/discussion/comment/123185346#Comment_123185346

    Halfway? That would cripple the fire-rating and also the structural integrity (chasing). I think you’re thinking of something else, like property lines.

    https://www.boards.ie/discussion/comment/123185507#Comment_123185507

    You intuition is correct. It impacts fire, structure and sound (though sound impact least concerning.

    Structural integrity. Part A says Chase can be a max depth of 30mm if vertical, if horizontal it refers to I.S. EN 1996-1-1:2005/Eurocode 6. Which allows for 10mm chase in 225mm block wall without calculations.

    For fire (part b). Depends on the density of the blocks used. But generally 225mm walls achieve more than the 60mins required. Soviet depth is critical. ~75mm likely fine as long as sockets were not FW I to back.



  • #6
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,946 ✭✭✭10-10-20


    https://www.boards.ie/discussion/comment/123185841#Comment_123185841

    I didn't mean chases obviously. I've understood that penetrations should not pass the midway point, so that implies screws and screw-holes!



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  • #7
    Mellor
    Registered Users, Registered Users 2 Posts: 40,386 ✭✭✭✭Mellor


    https://www.boards.ie/discussion/comment/123186445#Comment_123186445

    The question was specifically about chases (a "groove", trunking).
    Fixings shouldn't pass the midpoint as that is the boundary line. Has nothing to do with being ok to to the midpoint in terms of fire or structure.

    You can only penetrate insofar as to leave a fire rated thickness left. That means 100mm of dense block, or more if mid or light weight. Some wall you can't put any penetrations as there are at the FRL (100mm blocks, 2 hour walls, etc)



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