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RE: Ice Melt Mat

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Can you describe the system a little more fully?  Are you referring to an electrical heating system that is attached prior to concrete placement for space heating (occupants) ?


From: Kevin Below [mailto:kbofoz(--nospam--at)]
Sent: Tuesday, March 27, 2007 8:31 PM
To: seaint(--nospam--at)
Subject: Re: Ice Melt Mat


Paul, I have never heard of Ice Melt mats here in Quebec, but we do use in-slab heating conduits.  We attach them to the rebars at the correct height before the pour.  I can imagine that holding the top of concrete down to the correct height means almost doubling the cost of placing the concrete, because you will need 2 placing and screeding operations.

On 3/27/07, Paul Feather <PFeather(--nospam--at)> wrote:

Is anyone familiar with the use of electric Ice Melt mats in cast-in-place concrete construction?


I have some PT flat plate parking structures where the MEP is recommending the use of Ice Melt mats on the upper level.  Reading the installation guidelines the system appears to be primarily for slab on grade (joints every 20 feet, holding the top of concrete down 2 inches, placing the mat, and finishing the concrete placement).


I am concerned that if they try and hold the concrete down and mess around with placing the system I will get false set and a failure plane in my slab system.  They are not proposing incorporating a topping slab, but installing this system in the structural slab.


I have zero experience with this application.  Can some of my cold weather colleagues share any experiences?


Paul Feather PE, SE