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Concrete stairs

  • 07-11-2019 1:51am
    #1
    teednab-el
    Registered Users, Registered Users 2 Posts: 2,971 ✭✭✭


    At what stage can a concrete stairs be put into a house? Can it be done after the upstairs concrete slabs are put down?


Comments

  • #2
    caddy16
    Registered Users, Registered Users 2 Posts: 725 ✭✭✭caddy16


    teednab-el wrote: »
    At what stage can a concrete stairs be put into a house? Can it be done after the upstairs concrete slabs are put down?


    Ours was done at the same time as the slabs, same company supplied both.


  • #3
    teednab-el
    Registered Users, Registered Users 2 Posts: 2,971 ✭✭✭teednab-el


    caddy16 wrote: »
    Ours was done at the same time as the slabs, same company supplied both.

    Did you have to put anything in at foundation level to support the concrete stairs?


  • #4
    caddy16
    Registered Users, Registered Users 2 Posts: 725 ✭✭✭caddy16


    teednab-el wrote: »
    Did you have to put anything in at foundation level to support the concrete stairs?
    Was put directly on to subfloor, I have a small landing 4 steps up that we had to put in a small jack wall for but the spec for that was given by the company who did the stairs and confirmed by my engineer.


  • #5
    mfceiling
    Registered Users, Registered Users 2 Posts: 12,903 ✭✭✭✭mfceiling


    Easier to put them in when putting in hollowcore. Difficult enough putting them in after especially if you have the blocks up at the front and your front door formed.... acess could be restricted then.


  • #6
    teednab-el
    Registered Users, Registered Users 2 Posts: 2,971 ✭✭✭teednab-el


    mfceiling wrote: »
    Easier to put them in when putting in hollowcore. Difficult enough putting them in after especially if you have the blocks up at the front and your front door formed.... acess could be restricted then.

    Are there alowances that would have to had been made at foundation stage for the stairs to rest on the subfloor?


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  • #7
    teednab-el
    Registered Users, Registered Users 2 Posts: 2,971 ✭✭✭teednab-el


    caddy16 wrote: »
    Was put directly on to subfloor, I have a small landing 4 steps up that we had to put in a small jack wall for but the spec for that was given by the company who did the stairs and confirmed by my engineer.

    Stairs was in my plans but the type of stairs wasn't indicated on the specs. I hadn't decided what to go with but i wasn't told by the builders that i had to have a final decision on the stairs at foundation level if going for concrete stairs. I thought it wasn't any problem doing it afterwards. Now they are saying its not an option as allowances would have to be made at foundation stage for the stairs to rest on the subfloor?

    Maybe they are correct but just asking here to be 100% sure.


  • #8
    mfceiling
    Registered Users, Registered Users 2 Posts: 12,903 ✭✭✭✭mfceiling


    teednab-el wrote: »
    Stairs was in my plans but the type of stairs wasn't indicated on the specs. I hadn't decided what to go with but i wasn't told by the builders that i had to have a final decision on the stairs at foundation level if going for concrete stairs. I thought it wasn't any problem doing it afterwards. Now they are saying its not an option as allowances would have to be made at foundation stage for the stairs to rest on the subfloor?

    Maybe they are correct but just asking here to be 100% sure.

    It's probably a question your engineer would be better qualified to answer. I'd be guessing your floor would have to be strong with the weight of the stairs resting on it.


  • #9
    Metric Tensor
    Registered Users, Registered Users 2 Posts: 3,725 ✭✭✭Metric Tensor


    Is the insulation already installed at ground floor level? Depending on the approach your builder decided to take the insulation and floor screed might already be installed leaving a soft layer that won't support the concrete stairs.

    I've seen two builders of late who like to install the insulation and finished floor straight after the subfloor. Many others will leave the subfloor as a working platform until much later in the process.

    (Whether the subfloor is sufficiently strong on its own to hold a concrete stairs is also a question! It should possibly be supported by a foundation underneath and/or appropriately reinforced.)


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