Screeds and DPM's

Discussion in 'Floors, Stairs and Lofts' started by Twinkle, 4 Aug 2005.

  1. Twinkle

    Twinkle

    Joined:
    16 Sep 2004
    Messages:
    7
    Thanks Received:
    1
    Country:
    United Kingdom
    I have a small (2x2.5m) outhouse which I am converting to a utility room - it is single brick with a concrete floor the surface of which is only a couple of inches below the top of the damp proof course. I would like to ensure that there is no water penetration through the floor before tiling - I thought I would first put down a DPM on the floor and using a flashbanding to tape it a couple of bricks up I would then screed (san and cement mix) the floor about 1 inch to level the floor. I had a couple of questions if someone would be kind enough to help.

    How does the dpm adhere to the concrete floor?
    Is it OK to screed on top of the DPM, will it adhere?- is there any prep before screeding - perhaps PVA?


    Sorry if this all sounds a bit basic!!!!


    Thank you

    Twinkle.
     
  2. Sponsored Links
  3. masona

    masona

    Joined:
    5 Jan 2003
    Messages:
    12,885
    Thanks Received:
    126
    Location:
    Essex
    Country:
    United Kingdom
    The weight of the floor screed hold it down, will need at least 50-75mm thickness.
    Yes.
    Just make sure no sharp object which might tear or cut the dpm, a layer of soft sand will prevent this if you need to.

    Also make sure the dpm pass over the dpc to prevent damp entering.

    When you say outhouse, I take it you mean a building away from your property? If so, I can't advise you regarding electric cable size etc, you can ask the question on here in the electric section.
     
  4. DIYnot Local

    DIYnot Local

    Joined:
    3 Sep 2019
    Country:
    United Kingdom

    If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

    Select the supplier or trade you require, enter your location to begin your search.


    Are you a trade or supplier? You can create your listing free at DIYnot Local

     
Loading...

Share This Page