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  1. #1
    Join Date
    Jul 2006
    Location
    Lancaster,Ohio
    Posts
    464

    Insulating Floor of a Walk in

    Does anyone have an insight to insulating the floor of a 10x20 walk in that will be partly divided between freezer and cooler?
    IcyFlame

  2. #2
    Join Date
    Jul 2006
    Location
    Lancaster,Ohio
    Posts
    464

    Talking

    Im told that i must layer sand, styrofoam and gravel under the concrete. I was hoping that someone could give me more specific instruction or direct me to a sight to get it. Maybe i am not on the right forum, if not can you direct me to the correct one. Thank you!
    IcyFlame

  3. #3
    Join Date
    Jul 2011
    Location
    East coast USA
    Posts
    983
    Quote Originally Posted by icyflame View Post
    Im told that i must layer sand, styrofoam and gravel under the concrete. I was hoping that someone could give me more specific instruction or direct me to a sight to get it. Maybe i am not on the right forum, if not can you direct me to the correct one. Thank you!

    what you were told is correct. You can get 4" hard board insulation at Home depot or construction supply. The main thing is to have a good layer of insulation below the cement so you don't develop condensation.

    Not sure of the layering but I would level with sand, gravel 6mil plastic and foam board make sure the board lay flat and pour cement on top. but you you can ask your local building inspector

  4. #4
    Join Date
    Jun 2012
    Location
    Northern NV
    Posts
    155
    Insulation under the floor of a freezer is (other than keeping heat out) to keep the soil under the floor from heaving when the moisture in the soil freezes. In very large freezers, there is also a chance that freezing will occur even with insulation and most have either heat in the soil below or an engineered and ventilated base.

    When you insulate, make sure you also have a thermal break between the freezer and medium temp portion.

  5. #5
    Join Date
    Jul 2000
    Location
    Guayaquil EC
    Posts
    10,431

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