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Snowmelt Temp. Drop?

Jamie_6
Jamie_6 Member Posts: 710
in THE MAIN WALL
Thanks RB!

We will be using a counterflow pattern, most likely cork screwing each loop. The driveway is approximately 10,000 square feet and will be 3" cobble stone on top. They are talking about doing a 4" to 6" stone base, Fomular 600, then 2" of screnning.

We have not yet done snowmelt this way. We have always been buried in cement. We are looking into insultarps but I do not feel very comfortable with its performance. If it does not work we would have a major law-suite on our hands.

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Comments

  • Jamie_6
    Jamie_6 Member Posts: 710


    What is a typical temperature drop across a snowmelt system?

    Jamie

    Wirsbo says 25 degrees but I thought it would be much larger then that.

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  • rb_6
    rb_6 Member Posts: 222
    Delta t

    Hi Jamie,

    Between 20 and 30 deg F depending on application. I'll use 20 for thin slabs with serpentine patterns and up to 30 for thicker slabs with counterflow patterns.
    rb



  • rb_6
    rb_6 Member Posts: 222
    SIM

    What you have described is very close to the system at our home with the exception of the insulation...we used 2" Dow SM extruded polystyrene...compaction is very important with this assembly so grade preparation is eveything.

    Take pictures.

    Cheers,

    RB
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