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Composite Boards & UFH

  • 23-11-2009 1:44pm
    #1
    Technophobe
    Registered Users, Registered Users 2 Posts: 1,069 ✭✭✭


    Hi....Quick question for the experts

    I am applying Composite Board (50mm insulation + 12.5mm Board) to the external facing internal walls of a new build with UFH.
    The finished floor is obviously not yet poured and I plan to use Perimeter strip insulation when insulating and pouring the screed..

    So, do you install the Composite board down to the ground level (i.e. below eventual finished floor level) when installing this now?
    Assuming so, then when pouring the screed, the perimeter insulation around the walls will run from the ground up the side of the walls up to the top of the screed?

    Does this sound ok?
    thanks for the help in advance..


Comments

  • #2
    bmm
    Registered Users, Registered Users 2 Posts: 912 ✭✭✭bmm


    why don't you use the composite board as your ufh perimeter insulation by running it all the way down to the subfloor level?


  • #3
    Technophobe
    Registered Users, Registered Users 2 Posts: 1,069 ✭✭✭Technophobe


    Hi Bmm

    I am planning on running the Composite board down to sub floor level as it is easier to do this as I am installing the Composite board now...

    My question really is whether this is ok....Do you not still need floor perimeter insulation to avoid the floor screed coming in contact with the plaster board finish itself..???


  • #4
    bmm
    Registered Users, Registered Users 2 Posts: 912 ✭✭✭bmm


    I put in edge insulation and the incompetent cowboy who poured my finish concrete floor over the ufh, ripped out my edge insulation because he said it prevented him chalking the walls to get his levels. I ended up having to use rough timber as edge insulation. It's these kind of cowboys you are up against.

    Your composite board would be perfect for chalking and will prevent any cold bridging. Nuf said...


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