Steel post foundation and engineered wood floor

Discussion in 'Subfloor Preparation' started by Brombeer, Sep 15, 2020.

  1. Brombeer

    Brombeer Member

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    Separate to the contradictory flooring contractor recommendations I've got another question:

    We've had a steel beam put in, also including a steel post at one end. As per structural engineer's recommendations, this post is sat on a newly poured 600x600x600mm concrete footing so going by the rule of thumb for concrete drying time that's a 600 day wait before we can put a wood floor in, which is far from ideal. To circumvent this, can I apply some form of surface treatment to just this area? Or as the screed top layer is yet to be done, do I put down an actual physical membrane between the foundation footing and the top layer or is there some other solution?

    Bit of background, it's a 50's semi near the coast in the SW, no DPM in the floor. The plan (ambition?) is to ultimately lay an engineered wood floor either on a SLC/DPM/SLC sandwich or on an underlay with built-in DPM.

    PS hope it's OK starting a new thread on this, it's quite separate from the other query (not allowed to add in link as I've not yet got 10 posts) and I figured giving it it's own thread makes it easier for others to use as a source of info in the future
     
  2. merit

    merit Well-Known Member

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    Won’t there be insulation and a dpm put down before the top screed?


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  3. Brombeer

    Brombeer Member

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    No insulation as that would compromise the structural aspect of the post.

    Regarding DPM, that's what I'm hoping to get some advice on. We could put a bit of DPM just on the foundation before the top screed, but would that make much of a difference if there's no DPM around it?
     

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