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Re: Ice Melt Mat

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I have no direct experience with these systems but after reading

they seem difficult & problematic wrt to installation, use & maint.

IMO  your concern of a failure plane in your slab is well founded

I would suggest getting the slab to figure without the concrete above the melt mat (ie make the slab at least 2" thicker)

it's your stamp on the plans & it will be your headache when problems develop.  :(

the melt mat folks have tech support, give them a call.

Additionally I would suggest consultation with an ice melt design / installation expert,   there appear to be a lot of important details that both the SE & the ice melt installation need to consider for an elevated slab

A slab on grade installation is scary enough, an elevated slab would really make me nervous.


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