Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

radiant underlayment foamboard

Options
bob eck
bob eck Member Posts: 930
in THE MAIN WALL
I have a customer who is going to install radiant tubing in a sunroom on top of a concrete floor.

He is looking at using a underlayment foamboard with a aluminum heat shield and put the tubing in the foamboard.
Then install tile right on top of the foamboard.

Does anyone know of this type of product?

Thanks Bob

Comments

  • Will Merryman
    Will Merryman Member Posts: 32
    Options
    Check out

    Wedi board. Also check out Bekotec for tubing placement.Control joints not needed as well as controlled cracking.Schluter (Bekotec) recommends 4" foam under tubing on concrete. Go to Schluter.com
  • hot_rod
    hot_rod Member Posts: 22,143
    Options
    Is there insulation

    under the current slab. If not it would be nice to get 1-1/2 to 2" before putting the tube down.

    Sometimes that is not do-able with doors and elevations. Roth has a 5/8" foamboard with aluminum cover and grooves 6" on center that would be an option. I suspect you would still need a cementious backerboard over that for the tile installation.

    If it is a sunroom with mostly glass maybe do some heatload calcs first. it may not pencil out well to try and heat a space like that?r

    hr
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
This discussion has been closed.

Categories